20925050

素因数分解:

$2^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1414

約数の個数: 24

約数和(自身を含む): 39051072

約数和(自身を除く): 18126022

約数列:

[1, 2, 5, 10, 25, 50, 431, 862, 971, 1942, 2155, 4310, 4855, 9710, 10775, 21550, 24275, 48550, 418501, 837002, 2092505, 4185010, 10462525, 20925050]

約数ペア:

[(1, 20925050), (2, 10462525), (5, 4185010), (10, 2092505), (25, 837002), (50, 418501), (431, 48550), (862, 24275), (971, 21550), (1942, 10775), (2155, 9710), (4310, 4855)]