20171044

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17449}}^1$

素因数の和:17487

約数の個数: 18

約数和(自身を含む): 37500050

約数和(自身を除く): 17329006

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17449, 34898, 69796, 296633, 593266, 1186532, 5042761, 10085522, 20171044]

約数ペア:

[(1, 20171044), (2, 10085522), (4, 5042761), (17, 1186532), (34, 593266), (68, 296633), (289, 69796), (578, 34898), (1156, 17449)]