1617632020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{636863}}^1$

素因数の和:636999

約数の個数: 24

約数和(自身を含む): 3423780864

約数和(自身を除く): 1806148844

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 636863, 1273726, 2547452, 3184315, 6368630, 12737260, 80881601, 161763202, 323526404, 404408005, 808816010, 1617632020]

約数ペア:

[(1, 1617632020), (2, 808816010), (4, 404408005), (5, 323526404), (10, 161763202), (20, 80881601), (127, 12737260), (254, 6368630), (508, 3184315), (635, 2547452), (1270, 1273726), (2540, 636863)]