20497695

素因数分解:

$3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1777}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 32857440

約数和(自身を除く): 12359745

約数列:

[1, 3, 5, 15, 769, 1777, 2307, 3845, 5331, 8885, 11535, 26655, 1366513, 4099539, 6832565, 20497695]

約数ペア:

[(1, 20497695), (3, 6832565), (5, 4099539), (15, 1366513), (769, 26655), (1777, 11535), (2307, 8885), (3845, 5331)]