20876649

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 29398080

約数和(自身を除く): 8521431

約数列:

[1, 3, 19, 57, 541, 677, 1623, 2031, 10279, 12863, 30837, 38589, 366257, 1098771, 6958883, 20876649]

約数ペア:

[(1, 20876649), (3, 6958883), (19, 1098771), (57, 366257), (541, 38589), (677, 30837), (1623, 12863), (2031, 10279)]