20558630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 24

約数和(自身を含む): 37961136

約数和(自身を除く): 17402506

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1223, 1681, 2446, 3362, 6115, 8405, 12230, 16810, 50143, 100286, 250715, 501430, 2055863, 4111726, 10279315, 20558630]

約数ペア:

[(1, 20558630), (2, 10279315), (5, 4111726), (10, 2055863), (41, 501430), (82, 250715), (205, 100286), (410, 50143), (1223, 16810), (1681, 12230), (2446, 8405), (3362, 6115)]