20199377401

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1\times {\mathrm{15881}}^1$

素因数の和:17664

約数の個数: 16

約数和(自身を含む): 23312234880

約数和(自身を除く): 3112857479

約数列:

[1, 7, 109, 763, 1667, 11669, 15881, 111167, 181703, 1271921, 1731029, 12117203, 26473627, 185315389, 2885625343, 20199377401]

約数ペア:

[(1, 20199377401), (7, 2885625343), (109, 185315389), (763, 26473627), (1667, 12117203), (11669, 1731029), (15881, 1271921), (111167, 181703)]