20219080640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{449}}^1\times {\mathrm{1163}}^1$

素因数の和:1651

約数の個数: 168

約数和(自身を含む): 53085034800

約数和(自身を除く): 32865954160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 449, 484, 605, 704, 880, 898, 968, 1163, 1210, 1760, 1796, 1936, 2245, 2326, 2420, 3520, 3592, 3872, 4490, 4652, 4840, 4939, 5815, 7184, 7744, 8980, 9304, 9680, 9878, 11630, 12793, 14368, 17960, 18608, 19360, 19756, 23260, 24695, 25586, 28736, 35920, 37216, 38720, 39512, 46520, 49390, 51172, 54329, 63965, 71840, 74432, 79024, 93040, 98780, 102344, 108658, 127930, 140723, 143680, 158048, 186080, 197560, 204688, 217316, 255860, 271645, 281446, 316096, 372160, 395120, 409376, 434632, 511720, 522187, 543290, 562892, 703615, 790240, 818752, 869264, 1023440, 1044374, 1086580, 1125784, 1407230, 1580480, 1738528, 2046880, 2088748, 2173160, 2251568, 2610935, 2814460, 3477056, 4093760, 4177496, 4346320, 4503136, 5221870, 5628920, 5744057, 8354992, 8692640, 9006272, 10443740, 11257840, 11488114, 16709984, 17385280, 20887480, 22515680, 22976228, 28720285, 33419968, 41774960, 45031360, 45952456, 57440570, 63184627, 83549920, 91904912, 114881140, 126369254, 167099840, 183809824, 229762280, 252738508, 315923135, 367619648, 459524560, 505477016, 631846270, 919049120, 1010954032, 1263692540, 1838098240, 2021908064, 2527385080, 4043816128, 5054770160, 10109540320, 20219080640]

約数ペア:

[(1, 20219080640), (2, 10109540320), (4, 5054770160), (5, 4043816128), (8, 2527385080), (10, 2021908064), (11, 1838098240), (16, 1263692540), (20, 1010954032), (22, 919049120), (32, 631846270), (40, 505477016), (44, 459524560), (55, 367619648), (64, 315923135), (80, 252738508), (88, 229762280), (110, 183809824), (121, 167099840), (160, 126369254), (176, 114881140), (220, 91904912), (242, 83549920), (320, 63184627), (352, 57440570), (440, 45952456), (449, 45031360), (484, 41774960), (605, 33419968), (704, 28720285), (880, 22976228), (898, 22515680), (968, 20887480), (1163, 17385280), (1210, 16709984), (1760, 11488114), (1796, 11257840), (1936, 10443740), (2245, 9006272), (2326, 8692640), (2420, 8354992), (3520, 5744057), (3592, 5628920), (3872, 5221870), (4490, 4503136), (4652, 4346320), (4840, 4177496), (4939, 4093760), (5815, 3477056), (7184, 2814460), (7744, 2610935), (8980, 2251568), (9304, 2173160), (9680, 2088748), (9878, 2046880), (11630, 1738528), (12793, 1580480), (14368, 1407230), (17960, 1125784), (18608, 1086580), (19360, 1044374), (19756, 1023440), (23260, 869264), (24695, 818752), (25586, 790240), (28736, 703615), (35920, 562892), (37216, 543290), (38720, 522187), (39512, 511720), (46520, 434632), (49390, 409376), (51172, 395120), (54329, 372160), (63965, 316096), (71840, 281446), (74432, 271645), (79024, 255860), (93040, 217316), (98780, 204688), (102344, 197560), (108658, 186080), (127930, 158048), (140723, 143680)]