20025900783

素因数分解:

$3^4\times 7^1\times {\mathrm{35319049}}^1$

素因数の和:35319068

約数の個数: 20

約数和(自身を含む): 34188840400

約数和(自身を除く): 14162939617

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35319049, 105957147, 247233343, 317871441, 741700029, 953614323, 2225100087, 2860842969, 6675300261, 20025900783]

約数ペア:

[(1, 20025900783), (3, 6675300261), (7, 2860842969), (9, 2225100087), (21, 953614323), (27, 741700029), (63, 317871441), (81, 247233343), (189, 105957147), (567, 35319049)]