20196752540

素因数分解:

$2^2\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{578041}}^1$

素因数の和:579797

約数の個数: 24

約数和(自身を含む): 42437531472

約数和(自身を除く): 22240778932

約数列:

[1, 2, 4, 5, 10, 20, 1747, 3494, 6988, 8735, 17470, 34940, 578041, 1156082, 2312164, 2890205, 5780410, 11560820, 1009837627, 2019675254, 4039350508, 5049188135, 10098376270, 20196752540]

約数ペア:

[(1, 20196752540), (2, 10098376270), (4, 5049188135), (5, 4039350508), (10, 2019675254), (20, 1009837627), (1747, 11560820), (3494, 5780410), (6988, 2890205), (8735, 2312164), (17470, 1156082), (34940, 578041)]