20790403912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2281651}}^1$

素因数の和:2281741

約数の個数: 32

約数和(自身を含む): 41891130720

約数和(自身を除く): 21100726808

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 2281651, 4563302, 9126604, 18253208, 38788067, 77576134, 152870617, 155152268, 305741234, 310304536, 611482468, 1222964936, 2598800489, 5197600978, 10395201956, 20790403912]

約数ペア:

[(1, 20790403912), (2, 10395201956), (4, 5197600978), (8, 2598800489), (17, 1222964936), (34, 611482468), (67, 310304536), (68, 305741234), (134, 155152268), (136, 152870617), (268, 77576134), (536, 38788067), (1139, 18253208), (2278, 9126604), (4556, 4563302), (9112, 2281651)]