20531484

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{1013}}^1$

素因数の和:1586

約数の個数: 36

約数和(自身を含む): 52042536

約数和(自身を除く): 31511052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 1013, 1126, 1689, 2026, 2252, 3039, 3378, 4052, 5067, 6078, 6756, 9117, 10134, 12156, 18234, 20268, 36468, 570319, 1140638, 1710957, 2281276, 3421914, 5132871, 6843828, 10265742, 20531484]

約数ペア:

[(1, 20531484), (2, 10265742), (3, 6843828), (4, 5132871), (6, 3421914), (9, 2281276), (12, 1710957), (18, 1140638), (36, 570319), (563, 36468), (1013, 20268), (1126, 18234), (1689, 12156), (2026, 10134), (2252, 9117), (3039, 6756), (3378, 6078), (4052, 5067)]