20867090580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{9623}}^1$

素因数の和:11366

約数の個数: 144

約数和(自身を含む): 72388802304

約数和(自身を除く): 51521711724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1721, 3442, 5163, 6884, 8605, 9623, 10326, 12047, 15489, 17210, 19246, 20652, 24094, 25815, 28869, 30978, 34420, 36141, 38492, 48115, 48188, 51630, 57738, 60235, 61956, 67361, 72282, 77445, 86607, 96230, 103260, 108423, 115476, 120470, 134722, 144345, 144564, 154890, 173214, 180705, 192460, 202083, 216846, 240940, 269444, 288690, 309780, 336805, 346428, 361410, 404166, 433035, 433692, 542115, 577380, 606249, 673610, 722820, 808332, 866070, 1010415, 1084230, 1212498, 1347220, 1732140, 2020830, 2168460, 2424996, 3031245, 4041660, 6062490, 12124980, 16561183, 33122366, 49683549, 66244732, 82805915, 99367098, 115928281, 149050647, 165611830, 198734196, 231856562, 248417745, 298101294, 331223660, 347784843, 463713124, 496835490, 579641405, 596202588, 695569686, 745253235, 993670980, 1043354529, 1159282810, 1391139372, 1490506470, 1738924215, 2086709058, 2318565620, 2981012940, 3477848430, 4173418116, 5216772645, 6955696860, 10433545290, 20867090580]

約数ペア:

[(1, 20867090580), (2, 10433545290), (3, 6955696860), (4, 5216772645), (5, 4173418116), (6, 3477848430), (7, 2981012940), (9, 2318565620), (10, 2086709058), (12, 1738924215), (14, 1490506470), (15, 1391139372), (18, 1159282810), (20, 1043354529), (21, 993670980), (28, 745253235), (30, 695569686), (35, 596202588), (36, 579641405), (42, 496835490), (45, 463713124), (60, 347784843), (63, 331223660), (70, 298101294), (84, 248417745), (90, 231856562), (105, 198734196), (126, 165611830), (140, 149050647), (180, 115928281), (210, 99367098), (252, 82805915), (315, 66244732), (420, 49683549), (630, 33122366), (1260, 16561183), (1721, 12124980), (3442, 6062490), (5163, 4041660), (6884, 3031245), (8605, 2424996), (9623, 2168460), (10326, 2020830), (12047, 1732140), (15489, 1347220), (17210, 1212498), (19246, 1084230), (20652, 1010415), (24094, 866070), (25815, 808332), (28869, 722820), (30978, 673610), (34420, 606249), (36141, 577380), (38492, 542115), (48115, 433692), (48188, 433035), (51630, 404166), (57738, 361410), (60235, 346428), (61956, 336805), (67361, 309780), (72282, 288690), (77445, 269444), (86607, 240940), (96230, 216846), (103260, 202083), (108423, 192460), (115476, 180705), (120470, 173214), (134722, 154890), (144345, 144564)]