20125909540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^2\times {\mathrm{8623}}^1$

素因数の和:8849

約数の個数: 72

約数和(自身を含む): 46564011648

約数和(自身を除く): 26438102108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 8623, 10609, 11330, 17246, 21218, 22660, 34492, 42436, 43115, 53045, 86230, 94853, 106090, 116699, 172460, 189706, 212180, 233398, 379412, 466796, 474265, 583495, 888169, 948530, 1166990, 1776338, 1897060, 2333980, 3552676, 4440845, 8881690, 9769859, 17763380, 19539718, 39079436, 48849295, 91481407, 97698590, 182962814, 195397180, 365925628, 457407035, 914814070, 1006295477, 1829628140, 2012590954, 4025181908, 5031477385, 10062954770, 20125909540]

約数ペア:

[(1, 20125909540), (2, 10062954770), (4, 5031477385), (5, 4025181908), (10, 2012590954), (11, 1829628140), (20, 1006295477), (22, 914814070), (44, 457407035), (55, 365925628), (103, 195397180), (110, 182962814), (206, 97698590), (220, 91481407), (412, 48849295), (515, 39079436), (1030, 19539718), (1133, 17763380), (2060, 9769859), (2266, 8881690), (4532, 4440845), (5665, 3552676), (8623, 2333980), (10609, 1897060), (11330, 1776338), (17246, 1166990), (21218, 948530), (22660, 888169), (34492, 583495), (42436, 474265), (43115, 466796), (53045, 379412), (86230, 233398), (94853, 212180), (106090, 189706), (116699, 172460)]