20007472

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3583}}^1$

素因数の和:3940

約数の個数: 20

約数和(自身を含む): 38886400

約数和(自身を除く): 18878928

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3583, 5584, 7166, 14332, 28664, 57328, 1250467, 2500934, 5001868, 10003736, 20007472]

約数ペア:

[(1, 20007472), (2, 10003736), (4, 5001868), (8, 2500934), (16, 1250467), (349, 57328), (698, 28664), (1396, 14332), (2792, 7166), (3583, 5584)]