20455450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{11057}}^1$

素因数の和:11106

約数の個数: 24

約数和(自身を含む): 39078972

約数和(自身を除く): 18623522

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 11057, 22114, 55285, 110570, 276425, 409109, 552850, 818218, 2045545, 4091090, 10227725, 20455450]

約数ペア:

[(1, 20455450), (2, 10227725), (5, 4091090), (10, 2045545), (25, 818218), (37, 552850), (50, 409109), (74, 276425), (185, 110570), (370, 55285), (925, 22114), (1850, 11057)]