20071660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 28360724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 467, 614, 934, 1228, 1535, 1868, 2149, 2335, 3070, 3269, 4298, 4670, 6140, 6538, 8596, 9340, 10745, 13076, 16345, 21490, 32690, 42980, 65380, 143369, 286738, 573476, 716845, 1003583, 1433690, 2007166, 2867380, 4014332, 5017915, 10035830, 20071660]

約数ペア:

[(1, 20071660), (2, 10035830), (4, 5017915), (5, 4014332), (7, 2867380), (10, 2007166), (14, 1433690), (20, 1003583), (28, 716845), (35, 573476), (70, 286738), (140, 143369), (307, 65380), (467, 42980), (614, 32690), (934, 21490), (1228, 16345), (1535, 13076), (1868, 10745), (2149, 9340), (2335, 8596), (3070, 6538), (3269, 6140), (4298, 4670)]