20179968309

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{54688261}}^1$

素因数の和:54688308

約数の個数: 12

約数和(自身を含む): 29859791052

約数和(自身を除く): 9679822743

約数列:

[1, 3, 9, 41, 123, 369, 54688261, 164064783, 492194349, 2242218701, 6726656103, 20179968309]

約数ペア:

[(1, 20179968309), (3, 6726656103), (9, 2242218701), (41, 492194349), (123, 164064783), (369, 54688261)]