20414390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25841}}^1$

素因数の和:25927

約数の個数: 16

約数和(自身を含む): 37212480

約数和(自身を除く): 16798090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25841, 51682, 129205, 258410, 2041439, 4082878, 10207195, 20414390]

約数ペア:

[(1, 20414390), (2, 10207195), (5, 4082878), (10, 2041439), (79, 258410), (158, 129205), (395, 51682), (790, 25841)]