20704556

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16551124

約数列:

[1, 2, 4, 53, 106, 127, 212, 254, 508, 769, 1538, 3076, 6731, 13462, 26924, 40757, 81514, 97663, 163028, 195326, 390652, 5176139, 10352278, 20704556]

約数ペア:

[(1, 20704556), (2, 10352278), (4, 5176139), (53, 390652), (106, 195326), (127, 163028), (212, 97663), (254, 81514), (508, 40757), (769, 26924), (1538, 13462), (3076, 6731)]