20214658240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:943

約数の個数: 224

約数和(自身を含む): 56239257600

約数和(自身を除く): 36024599360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 239, 244, 280, 305, 320, 427, 448, 478, 488, 560, 610, 619, 854, 956, 976, 1120, 1195, 1220, 1238, 1673, 1708, 1912, 1952, 2135, 2240, 2390, 2440, 2476, 3095, 3346, 3416, 3824, 3904, 4270, 4333, 4780, 4880, 4952, 6190, 6692, 6832, 7648, 8365, 8540, 8666, 9560, 9760, 9904, 12380, 13384, 13664, 14579, 15296, 16730, 17080, 17332, 19120, 19520, 19808, 21665, 24760, 26768, 27328, 29158, 33460, 34160, 34664, 37759, 38240, 39616, 43330, 49520, 53536, 58316, 66920, 68320, 69328, 72895, 75518, 76480, 86660, 99040, 102053, 107072, 116632, 133840, 136640, 138656, 145790, 147941, 151036, 173320, 188795, 198080, 204106, 233264, 264313, 267680, 277312, 291580, 295882, 302072, 346640, 377590, 408212, 466528, 510265, 528626, 535360, 583160, 591764, 604144, 693280, 739705, 755180, 816424, 933056, 1020530, 1035587, 1057252, 1166320, 1183528, 1208288, 1321565, 1386560, 1479410, 1510360, 1632848, 2041060, 2071174, 2114504, 2332640, 2367056, 2416576, 2643130, 2958820, 3020720, 3265696, 4082120, 4142348, 4229008, 4665280, 4734112, 5177935, 5286260, 5917640, 6041440, 6531392, 8164240, 8284696, 8458016, 9024401, 9468224, 10355870, 10572520, 11835280, 12082880, 16328480, 16569392, 16916032, 18048802, 20711740, 21145040, 23670560, 32656960, 33138784, 36097604, 41423480, 42290080, 45122005, 47341120, 63170807, 66277568, 72195208, 82846960, 84580160, 90244010, 126341614, 144390416, 165693920, 180488020, 252683228, 288780832, 315854035, 331387840, 360976040, 505366456, 577561664, 631708070, 721952080, 1010732912, 1263416140, 1443904160, 2021465824, 2526832280, 2887808320, 4042931648, 5053664560, 10107329120, 20214658240]

約数ペア:

[(1, 20214658240), (2, 10107329120), (4, 5053664560), (5, 4042931648), (7, 2887808320), (8, 2526832280), (10, 2021465824), (14, 1443904160), (16, 1263416140), (20, 1010732912), (28, 721952080), (32, 631708070), (35, 577561664), (40, 505366456), (56, 360976040), (61, 331387840), (64, 315854035), (70, 288780832), (80, 252683228), (112, 180488020), (122, 165693920), (140, 144390416), (160, 126341614), (224, 90244010), (239, 84580160), (244, 82846960), (280, 72195208), (305, 66277568), (320, 63170807), (427, 47341120), (448, 45122005), (478, 42290080), (488, 41423480), (560, 36097604), (610, 33138784), (619, 32656960), (854, 23670560), (956, 21145040), (976, 20711740), (1120, 18048802), (1195, 16916032), (1220, 16569392), (1238, 16328480), (1673, 12082880), (1708, 11835280), (1912, 10572520), (1952, 10355870), (2135, 9468224), (2240, 9024401), (2390, 8458016), (2440, 8284696), (2476, 8164240), (3095, 6531392), (3346, 6041440), (3416, 5917640), (3824, 5286260), (3904, 5177935), (4270, 4734112), (4333, 4665280), (4780, 4229008), (4880, 4142348), (4952, 4082120), (6190, 3265696), (6692, 3020720), (6832, 2958820), (7648, 2643130), (8365, 2416576), (8540, 2367056), (8666, 2332640), (9560, 2114504), (9760, 2071174), (9904, 2041060), (12380, 1632848), (13384, 1510360), (13664, 1479410), (14579, 1386560), (15296, 1321565), (16730, 1208288), (17080, 1183528), (17332, 1166320), (19120, 1057252), (19520, 1035587), (19808, 1020530), (21665, 933056), (24760, 816424), (26768, 755180), (27328, 739705), (29158, 693280), (33460, 604144), (34160, 591764), (34664, 583160), (37759, 535360), (38240, 528626), (39616, 510265), (43330, 466528), (49520, 408212), (53536, 377590), (58316, 346640), (66920, 302072), (68320, 295882), (69328, 291580), (72895, 277312), (75518, 267680), (76480, 264313), (86660, 233264), (99040, 204106), (102053, 198080), (107072, 188795), (116632, 173320), (133840, 151036), (136640, 147941), (138656, 145790)]