20355660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8699}}^1$

素因数の和:8727

約数の個数: 72

約数和(自身を含む): 66502800

約数和(自身を除く): 46147140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8699, 17398, 26097, 34796, 43495, 52194, 78291, 86990, 104388, 113087, 130485, 156582, 173980, 226174, 260970, 313164, 339261, 391455, 452348, 521940, 565435, 678522, 782910, 1017783, 1130870, 1357044, 1565820, 1696305, 2035566, 2261740, 3392610, 4071132, 5088915, 6785220, 10177830, 20355660]

約数ペア:

[(1, 20355660), (2, 10177830), (3, 6785220), (4, 5088915), (5, 4071132), (6, 3392610), (9, 2261740), (10, 2035566), (12, 1696305), (13, 1565820), (15, 1357044), (18, 1130870), (20, 1017783), (26, 782910), (30, 678522), (36, 565435), (39, 521940), (45, 452348), (52, 391455), (60, 339261), (65, 313164), (78, 260970), (90, 226174), (117, 173980), (130, 156582), (156, 130485), (180, 113087), (195, 104388), (234, 86990), (260, 78291), (390, 52194), (468, 43495), (585, 34796), (780, 26097), (1170, 17398), (2340, 8699)]