20179954521

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10831967}}^1$

素因数の和:10832002

約数の個数: 20

約数和(自身を含む): 31456035072

約数和(自身を除く): 11276080551

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10831967, 32495901, 97487703, 249135241, 292463109, 747405723, 877389327, 2242217169, 6726651507, 20179954521]

約数ペア:

[(1, 20179954521), (3, 6726651507), (9, 2242217169), (23, 877389327), (27, 747405723), (69, 292463109), (81, 249135241), (207, 97487703), (621, 32495901), (1863, 10831967)]