20345642

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2293

約数の個数: 16

約数和(自身を含む): 31491072

約数和(自身を除く): 11145430

約数列:

[1, 2, 47, 94, 101, 202, 2143, 4286, 4747, 9494, 100721, 201442, 216443, 432886, 10172821, 20345642]

約数ペア:

[(1, 20345642), (2, 10172821), (47, 432886), (94, 216443), (101, 201442), (202, 100721), (2143, 9494), (4286, 4747)]