20196275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^2$

素因数の和:563

約数の個数: 18

約数和(自身を含む): 27421236

約数和(自身を除く): 7224961

約数列:

[1, 5, 11, 25, 55, 271, 275, 1355, 2981, 6775, 14905, 73441, 74525, 367205, 807851, 1836025, 4039255, 20196275]

約数ペア:

[(1, 20196275), (5, 4039255), (11, 1836025), (25, 807851), (55, 367205), (271, 74525), (275, 73441), (1355, 14905), (2981, 6775)]