20211460

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1171}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 42529536

約数和(自身を除く): 22318076

約数列:

[1, 2, 4, 5, 10, 20, 863, 1171, 1726, 2342, 3452, 4315, 4684, 5855, 8630, 11710, 17260, 23420, 1010573, 2021146, 4042292, 5052865, 10105730, 20211460]

約数ペア:

[(1, 20211460), (2, 10105730), (4, 5052865), (5, 4042292), (10, 2021146), (20, 1010573), (863, 23420), (1171, 17260), (1726, 11710), (2342, 8630), (3452, 5855), (4315, 4684)]