20156330871

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{968263}}^1$

素因数の和:968532

約数の個数: 20

約数和(自身を含む): 30227265552

約数和(自身を除く): 10070934681

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 968263, 2904789, 8714367, 26143101, 78429303, 248843591, 746530773, 2239592319, 6718776957, 20156330871]

約数ペア:

[(1, 20156330871), (3, 6718776957), (9, 2239592319), (27, 746530773), (81, 248843591), (257, 78429303), (771, 26143101), (2313, 8714367), (6939, 2904789), (20817, 968263)]