20123991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{24043}}^1$

素因数の和:24083

約数の個数: 16

約数和(自身を含む): 30776320

約数和(自身を除く): 10652329

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 24043, 72129, 216387, 649161, 745333, 2235999, 6707997, 20123991]

約数ペア:

[(1, 20123991), (3, 6707997), (9, 2235999), (27, 745333), (31, 649161), (93, 216387), (279, 72129), (837, 24043)]