20281556665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{385471}}^1$

素因数の和:386112

約数の個数: 16

約数和(自身を含む): 25811205120

約数和(自身を除く): 5529648455

約数列:

[1, 5, 17, 85, 619, 3095, 10523, 52615, 385471, 1927355, 6553007, 32765035, 238606549, 1193032745, 4056311333, 20281556665]

約数ペア:

[(1, 20281556665), (5, 4056311333), (17, 1193032745), (85, 238606549), (619, 32765035), (3095, 6553007), (10523, 1927355), (52615, 385471)]