20458404

素因数分解:

$2^2\times 3^2\times {\mathrm{568289}}^1$

素因数の和:568299

約数の個数: 18

約数和(自身を含む): 51714390

約数和(自身を除く): 31255986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 568289, 1136578, 1704867, 2273156, 3409734, 5114601, 6819468, 10229202, 20458404]

約数ペア:

[(1, 20458404), (2, 10229202), (3, 6819468), (4, 5114601), (6, 3409734), (9, 2273156), (12, 1704867), (18, 1136578), (36, 568289)]