20177805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28621}}^1$

素因数の和:28676

約数の個数: 16

約数和(自身を含む): 32972544

約数和(自身を除く): 12794739

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28621, 85863, 143105, 429315, 1345187, 4035561, 6725935, 20177805]

約数ペア:

[(1, 20177805), (3, 6725935), (5, 4035561), (15, 1345187), (47, 429315), (141, 143105), (235, 85863), (705, 28621)]