20808072

素因数分解:

$2^3\times 3^2\times {\mathrm{289001}}^1$

素因数の和:289013

約数の個数: 24

約数和(自身を含む): 56355390

約数和(自身を除く): 35547318

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289001, 578002, 867003, 1156004, 1734006, 2312008, 2601009, 3468012, 5202018, 6936024, 10404036, 20808072]

約数ペア:

[(1, 20808072), (2, 10404036), (3, 6936024), (4, 5202018), (6, 3468012), (8, 2601009), (9, 2312008), (12, 1734006), (18, 1156004), (24, 867003), (36, 578002), (72, 289001)]