20642110

素因数分解:

$2^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2203}}^1$

素因数の和:3147

約数の個数: 16

約数和(自身を含む): 37212336

約数和(自身を除く): 16570226

約数列:

[1, 2, 5, 10, 937, 1874, 2203, 4406, 4685, 9370, 11015, 22030, 2064211, 4128422, 10321055, 20642110]

約数ペア:

[(1, 20642110), (2, 10321055), (5, 4128422), (10, 2064211), (937, 22030), (1874, 11015), (2203, 9370), (4406, 4685)]