20860011

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11197}}^1$

素因数の和:11232

約数の個数: 20

約数和(自身を含む): 32518992

約数和(自身を除く): 11658981

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11197, 33591, 100773, 257531, 302319, 772593, 906957, 2317779, 6953337, 20860011]

約数ペア:

[(1, 20860011), (3, 6953337), (9, 2317779), (23, 906957), (27, 772593), (69, 302319), (81, 257531), (207, 100773), (621, 33591), (1863, 11197)]