20019705

素因数分解:

$3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2467}}^1$

素因数の和:3016

約数の個数: 16

約数和(自身を含む): 32103744

約数和(自身を除く): 12084039

約数列:

[1, 3, 5, 15, 541, 1623, 2467, 2705, 7401, 8115, 12335, 37005, 1334647, 4003941, 6673235, 20019705]

約数ペア:

[(1, 20019705), (3, 6673235), (5, 4003941), (15, 1334647), (541, 37005), (1623, 12335), (2467, 8115), (2705, 7401)]