20496849

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7583}}^1$

素因数の和:7656

約数の個数: 16

約数和(自身を含む): 29486592

約数和(自身を除く): 8989743

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7583, 22749, 128911, 386733, 401899, 1205697, 6832283, 20496849]

約数ペア:

[(1, 20496849), (3, 6832283), (17, 1205697), (51, 401899), (53, 386733), (159, 128911), (901, 22749), (2703, 7583)]