20478426

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6551}}^1$

素因数の和:7077

約数の個数: 16

約数和(自身を含む): 41041728

約数和(自身を除く): 20563302

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6551, 13102, 19653, 39306, 3413071, 6826142, 10239213, 20478426]

約数ペア:

[(1, 20478426), (2, 10239213), (3, 6826142), (6, 3413071), (521, 39306), (1042, 19653), (1563, 13102), (3126, 6551)]