20106879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16631}}^1$

素因数の和:16678

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 9697665

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16631, 49893, 216203, 515561, 648609, 1546683, 6702293, 20106879]

約数ペア:

[(1, 20106879), (3, 6702293), (13, 1546683), (31, 648609), (39, 515561), (93, 216203), (403, 49893), (1209, 16631)]