20810220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2731}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 58748928

約数和(自身を除く): 37938708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2731, 3810, 5462, 7620, 8193, 10924, 13655, 16386, 27310, 32772, 40965, 54620, 81930, 163860, 346837, 693674, 1040511, 1387348, 1734185, 2081022, 3468370, 4162044, 5202555, 6936740, 10405110, 20810220]

約数ペア:

[(1, 20810220), (2, 10405110), (3, 6936740), (4, 5202555), (5, 4162044), (6, 3468370), (10, 2081022), (12, 1734185), (15, 1387348), (20, 1040511), (30, 693674), (60, 346837), (127, 163860), (254, 81930), (381, 54620), (508, 40965), (635, 32772), (762, 27310), (1270, 16386), (1524, 13655), (1905, 10924), (2540, 8193), (2731, 7620), (3810, 5462)]