20921963920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{601}}^1$

素因数の和:834

約数の個数: 320

約数和(自身を含む): 60948599040

約数和(自身を除く): 40026635120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 170, 176, 179, 187, 208, 220, 221, 260, 272, 286, 340, 358, 374, 440, 442, 520, 572, 601, 680, 715, 716, 748, 880, 884, 895, 935, 1040, 1105, 1144, 1202, 1360, 1430, 1432, 1496, 1768, 1790, 1870, 1969, 2210, 2288, 2327, 2404, 2431, 2860, 2864, 2992, 3005, 3043, 3536, 3580, 3740, 3938, 4420, 4654, 4808, 4862, 5720, 6010, 6086, 6611, 7160, 7480, 7813, 7876, 8840, 9308, 9616, 9724, 9845, 10217, 11440, 11635, 12020, 12155, 12172, 13222, 14320, 14960, 15215, 15626, 15752, 17680, 18616, 19448, 19690, 20434, 23270, 24040, 24310, 24344, 25597, 26444, 30430, 31252, 31504, 33055, 33473, 37232, 38896, 39065, 39380, 39559, 40868, 46540, 48080, 48620, 48688, 51085, 51194, 52888, 60860, 62504, 66110, 66946, 78130, 78760, 79118, 81736, 85943, 93080, 97240, 102170, 102388, 105776, 107579, 112387, 121720, 125008, 127985, 132220, 132821, 133892, 156260, 157520, 158236, 163472, 167365, 171886, 186160, 194480, 197795, 204340, 204776, 215158, 224774, 243440, 255970, 264440, 265642, 267784, 312520, 316472, 334730, 343772, 395590, 408680, 409552, 429715, 430316, 435149, 449548, 511940, 528880, 531284, 535568, 537895, 561935, 625040, 632944, 664105, 669460, 687544, 791180, 817360, 859430, 860632, 870298, 899096, 1023880, 1062568, 1075790, 1123870, 1183369, 1328210, 1338920, 1375088, 1398527, 1461031, 1582360, 1718860, 1721264, 1740596, 1798192, 1828843, 2047760, 2125136, 2151580, 2175745, 2247740, 2366738, 2656420, 2677840, 2797054, 2922062, 3164720, 3437720, 3481192, 3657686, 4303160, 4351490, 4495480, 4733476, 5312840, 5594108, 5844124, 5916845, 6875440, 6962384, 6992635, 7305155, 7315372, 8606320, 8702980, 8990960, 9144215, 9466952, 10625680, 11188216, 11688248, 11833690, 13985270, 14610310, 14630744, 15383797, 17405960, 18288430, 18933904, 20117273, 22376432, 23376496, 23667380, 23774959, 27970540, 29220620, 29261488, 30767594, 34811920, 36576860, 40234546, 47334760, 47549918, 55941080, 58441240, 61535188, 73153720, 76918985, 80469092, 94669520, 95099836, 100586365, 111882160, 116882480, 118874795, 123070376, 146307440, 153837970, 160938184, 190199672, 201172730, 237749590, 246140752, 261524549, 307675940, 321876368, 380399344, 402345460, 475499180, 523049098, 615351880, 804690920, 950998360, 1046098196, 1230703760, 1307622745, 1609381840, 1901996720, 2092196392, 2615245490, 4184392784, 5230490980, 10460981960, 20921963920]

約数ペア:

[(1, 20921963920), (2, 10460981960), (4, 5230490980), (5, 4184392784), (8, 2615245490), (10, 2092196392), (11, 1901996720), (13, 1609381840), (16, 1307622745), (17, 1230703760), (20, 1046098196), (22, 950998360), (26, 804690920), (34, 615351880), (40, 523049098), (44, 475499180), (52, 402345460), (55, 380399344), (65, 321876368), (68, 307675940), (80, 261524549), (85, 246140752), (88, 237749590), (104, 201172730), (110, 190199672), (130, 160938184), (136, 153837970), (143, 146307440), (170, 123070376), (176, 118874795), (179, 116882480), (187, 111882160), (208, 100586365), (220, 95099836), (221, 94669520), (260, 80469092), (272, 76918985), (286, 73153720), (340, 61535188), (358, 58441240), (374, 55941080), (440, 47549918), (442, 47334760), (520, 40234546), (572, 36576860), (601, 34811920), (680, 30767594), (715, 29261488), (716, 29220620), (748, 27970540), (880, 23774959), (884, 23667380), (895, 23376496), (935, 22376432), (1040, 20117273), (1105, 18933904), (1144, 18288430), (1202, 17405960), (1360, 15383797), (1430, 14630744), (1432, 14610310), (1496, 13985270), (1768, 11833690), (1790, 11688248), (1870, 11188216), (1969, 10625680), (2210, 9466952), (2288, 9144215), (2327, 8990960), (2404, 8702980), (2431, 8606320), (2860, 7315372), (2864, 7305155), (2992, 6992635), (3005, 6962384), (3043, 6875440), (3536, 5916845), (3580, 5844124), (3740, 5594108), (3938, 5312840), (4420, 4733476), (4654, 4495480), (4808, 4351490), (4862, 4303160), (5720, 3657686), (6010, 3481192), (6086, 3437720), (6611, 3164720), (7160, 2922062), (7480, 2797054), (7813, 2677840), (7876, 2656420), (8840, 2366738), (9308, 2247740), (9616, 2175745), (9724, 2151580), (9845, 2125136), (10217, 2047760), (11440, 1828843), (11635, 1798192), (12020, 1740596), (12155, 1721264), (12172, 1718860), (13222, 1582360), (14320, 1461031), (14960, 1398527), (15215, 1375088), (15626, 1338920), (15752, 1328210), (17680, 1183369), (18616, 1123870), (19448, 1075790), (19690, 1062568), (20434, 1023880), (23270, 899096), (24040, 870298), (24310, 860632), (24344, 859430), (25597, 817360), (26444, 791180), (30430, 687544), (31252, 669460), (31504, 664105), (33055, 632944), (33473, 625040), (37232, 561935), (38896, 537895), (39065, 535568), (39380, 531284), (39559, 528880), (40868, 511940), (46540, 449548), (48080, 435149), (48620, 430316), (48688, 429715), (51085, 409552), (51194, 408680), (52888, 395590), (60860, 343772), (62504, 334730), (66110, 316472), (66946, 312520), (78130, 267784), (78760, 265642), (79118, 264440), (81736, 255970), (85943, 243440), (93080, 224774), (97240, 215158), (102170, 204776), (102388, 204340), (105776, 197795), (107579, 194480), (112387, 186160), (121720, 171886), (125008, 167365), (127985, 163472), (132220, 158236), (132821, 157520), (133892, 156260)]