20475216

素因数分解:

$2^4\times 3^2\times {\mathrm{142189}}^1$

素因数の和:142203

約数の個数: 30

約数和(自身を含む): 57302570

約数和(自身を除く): 36827354

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142189, 284378, 426567, 568756, 853134, 1137512, 1279701, 1706268, 2275024, 2559402, 3412536, 5118804, 6825072, 10237608, 20475216]

約数ペア:

[(1, 20475216), (2, 10237608), (3, 6825072), (4, 5118804), (6, 3412536), (8, 2559402), (9, 2275024), (12, 1706268), (16, 1279701), (18, 1137512), (24, 853134), (36, 568756), (48, 426567), (72, 284378), (144, 142189)]