20412974

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1237}}^1$

素因数の和:1499

約数の個数: 16

約数和(自身を含む): 31613568

約数和(自身を除く): 11200594

約数列:

[1, 2, 37, 74, 223, 446, 1237, 2474, 8251, 16502, 45769, 91538, 275851, 551702, 10206487, 20412974]

約数ペア:

[(1, 20412974), (2, 10206487), (37, 551702), (74, 275851), (223, 91538), (446, 45769), (1237, 16502), (2474, 8251)]