20012295

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6323}}^1$

素因数の和:6542

約数の個数: 16

約数和(自身を含む): 32176512

約数和(自身を除く): 12164217

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6323, 18969, 31615, 94845, 1334153, 4002459, 6670765, 20012295]

約数ペア:

[(1, 20012295), (3, 6670765), (5, 4002459), (15, 1334153), (211, 94845), (633, 31615), (1055, 18969), (3165, 6323)]