16809740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3769}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 35468160

約数和(自身を除く): 18658420

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 3769, 4460, 7538, 15076, 18845, 37690, 75380, 840487, 1680974, 3361948, 4202435, 8404870, 16809740]

約数ペア:

[(1, 16809740), (2, 8404870), (4, 4202435), (5, 3361948), (10, 1680974), (20, 840487), (223, 75380), (446, 37690), (892, 18845), (1115, 15076), (2230, 7538), (3769, 4460)]