20516205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29101}}^1$

素因数の和:29156

約数の個数: 16

約数和(自身を含む): 33525504

約数和(自身を除く): 13009299

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29101, 87303, 145505, 436515, 1367747, 4103241, 6838735, 20516205]

約数ペア:

[(1, 20516205), (3, 6838735), (5, 4103241), (15, 1367747), (47, 436515), (141, 145505), (235, 87303), (705, 29101)]