20471994

素因数分解:

$2^1\times 3^3\times {\mathrm{367}}^1\times {\mathrm{1033}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 45661440

約数和(自身を除く): 25189446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 1033, 1101, 2066, 2202, 3099, 3303, 6198, 6606, 9297, 9909, 18594, 19818, 27891, 55782, 379111, 758222, 1137333, 2274666, 3411999, 6823998, 10235997, 20471994]

約数ペア:

[(1, 20471994), (2, 10235997), (3, 6823998), (6, 3411999), (9, 2274666), (18, 1137333), (27, 758222), (54, 379111), (367, 55782), (734, 27891), (1033, 19818), (1101, 18594), (2066, 9909), (2202, 9297), (3099, 6606), (3303, 6198)]