20442550

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3121}}^1$

素因数の和:3264

約数の個数: 24

約数和(自身を含む): 38325672

約数和(自身を除く): 17883122

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3121, 3275, 6242, 6550, 15605, 31210, 78025, 156050, 408851, 817702, 2044255, 4088510, 10221275, 20442550]

約数ペア:

[(1, 20442550), (2, 10221275), (5, 4088510), (10, 2044255), (25, 817702), (50, 408851), (131, 156050), (262, 78025), (655, 31210), (1310, 15605), (3121, 6550), (3275, 6242)]