20057031

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 24

約数和(自身を含む): 30743280

約数和(自身を除く): 10686249

約数列:

[1, 3, 9, 27, 31, 93, 279, 773, 837, 961, 2319, 2883, 6957, 8649, 20871, 23963, 25947, 71889, 215667, 647001, 742853, 2228559, 6685677, 20057031]

約数ペア:

[(1, 20057031), (3, 6685677), (9, 2228559), (27, 742853), (31, 647001), (93, 215667), (279, 71889), (773, 25947), (837, 23963), (961, 20871), (2319, 8649), (2883, 6957)]