20911536

素因数分解:

$2^4\times 3^2\times {\mathrm{145219}}^1$

素因数の和:145233

約数の個数: 30

約数和(自身を含む): 58523660

約数和(自身を除く): 37612124

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145219, 290438, 435657, 580876, 871314, 1161752, 1306971, 1742628, 2323504, 2613942, 3485256, 5227884, 6970512, 10455768, 20911536]

約数ペア:

[(1, 20911536), (2, 10455768), (3, 6970512), (4, 5227884), (6, 3485256), (8, 2613942), (9, 2323504), (12, 1742628), (16, 1306971), (18, 1161752), (24, 871314), (36, 580876), (48, 435657), (72, 290438), (144, 145219)]