20187631449

素因数分解:

$3^2\times {\mathrm{491}}^1\times {\mathrm{4568371}}^1$

素因数の和:4568868

約数の個数: 12

約数和(自身を含む): 29219307312

約数和(自身を除く): 9031675863

約数列:

[1, 3, 9, 491, 1473, 4419, 4568371, 13705113, 41115339, 2243070161, 6729210483, 20187631449]

約数ペア:

[(1, 20187631449), (3, 6729210483), (9, 2243070161), (491, 41115339), (1473, 13705113), (4419, 4568371)]