20235740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144541}}^1$

素因数の和:144557

約数の個数: 24

約数和(自身を含む): 48566112

約数和(自身を除く): 28330372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144541, 289082, 578164, 722705, 1011787, 1445410, 2023574, 2890820, 4047148, 5058935, 10117870, 20235740]

約数ペア:

[(1, 20235740), (2, 10117870), (4, 5058935), (5, 4047148), (7, 2890820), (10, 2023574), (14, 1445410), (20, 1011787), (28, 722705), (35, 578164), (70, 289082), (140, 144541)]