20212554460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144375389}}^1$

素因数の和:144375405

約数の個数: 24

約数和(自身を含む): 48510131040

約数和(自身を除く): 28297576580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144375389, 288750778, 577501556, 721876945, 1010627723, 1443753890, 2021255446, 2887507780, 4042510892, 5053138615, 10106277230, 20212554460]

約数ペア:

[(1, 20212554460), (2, 10106277230), (4, 5053138615), (5, 4042510892), (7, 2887507780), (10, 2021255446), (14, 1443753890), (20, 1010627723), (28, 721876945), (35, 577501556), (70, 288750778), (140, 144375389)]