20121493413

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8790517}}^1$

素因数の和:8790636

約数の個数: 16

約数和(自身を含む): 30942623360

約数和(自身を除く): 10821129947

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8790517, 26371551, 61533619, 184600857, 958166353, 2874499059, 6707164471, 20121493413]

約数ペア:

[(1, 20121493413), (3, 6707164471), (7, 2874499059), (21, 958166353), (109, 184600857), (327, 61533619), (763, 26371551), (2289, 8790517)]