20296563

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8867}}^1$

素因数の和:8986

約数の個数: 16

約数和(自身を含む): 31215360

約数和(自身を除く): 10918797

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8867, 26601, 62069, 186207, 966503, 2899509, 6765521, 20296563]

約数ペア:

[(1, 20296563), (3, 6765521), (7, 2899509), (21, 966503), (109, 186207), (327, 62069), (763, 26601), (2289, 8867)]