20238820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144563}}^1$

素因数の和:144579

約数の個数: 24

約数和(自身を含む): 48573504

約数和(自身を除く): 28334684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144563, 289126, 578252, 722815, 1011941, 1445630, 2023882, 2891260, 4047764, 5059705, 10119410, 20238820]

約数ペア:

[(1, 20238820), (2, 10119410), (4, 5059705), (5, 4047764), (7, 2891260), (10, 2023882), (14, 1445630), (20, 1011941), (28, 722815), (35, 578252), (70, 289126), (140, 144563)]