20211863420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144370453}}^1$

素因数の和:144370469

約数の個数: 24

約数和(自身を含む): 48508472544

約数和(自身を除く): 28296609124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144370453, 288740906, 577481812, 721852265, 1010593171, 1443704530, 2021186342, 2887409060, 4042372684, 5052965855, 10105931710, 20211863420]

約数ペア:

[(1, 20211863420), (2, 10105931710), (4, 5052965855), (5, 4042372684), (7, 2887409060), (10, 2021186342), (14, 1443704530), (20, 1010593171), (28, 721852265), (35, 577481812), (70, 288740906), (140, 144370453)]