20643048

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{701}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 56124900

約数和(自身を除く): 35481852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 701, 818, 1227, 1402, 1636, 2103, 2454, 2804, 3272, 3681, 4206, 4908, 5608, 6309, 7362, 8412, 9816, 12618, 14724, 16824, 25236, 29448, 50472, 286709, 573418, 860127, 1146836, 1720254, 2293672, 2580381, 3440508, 5160762, 6881016, 10321524, 20643048]

約数ペア:

[(1, 20643048), (2, 10321524), (3, 6881016), (4, 5160762), (6, 3440508), (8, 2580381), (9, 2293672), (12, 1720254), (18, 1146836), (24, 860127), (36, 573418), (72, 286709), (409, 50472), (701, 29448), (818, 25236), (1227, 16824), (1402, 14724), (1636, 12618), (2103, 9816), (2454, 8412), (2804, 7362), (3272, 6309), (3681, 5608), (4206, 4908)]