20411110

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15581}}^1$

素因数の和:15719

約数の個数: 16

約数和(自身を含む): 37022832

約数和(自身を除く): 16611722

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15581, 31162, 77905, 155810, 2041111, 4082222, 10205555, 20411110]

約数ペア:

[(1, 20411110), (2, 10205555), (5, 4082222), (10, 2041111), (131, 155810), (262, 77905), (655, 31162), (1310, 15581)]