20191556900

素因数分解:

$2^2\times 5^2\times {\mathrm{2141}}^1\times {\mathrm{94309}}^1$

素因数の和:96464

約数の個数: 36

約数和(自身を含む): 43836608340

約数和(自身を除く): 23645051440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2141, 4282, 8564, 10705, 21410, 42820, 53525, 94309, 107050, 188618, 214100, 377236, 471545, 943090, 1886180, 2357725, 4715450, 9430900, 201915569, 403831138, 807662276, 1009577845, 2019155690, 4038311380, 5047889225, 10095778450, 20191556900]

約数ペア:

[(1, 20191556900), (2, 10095778450), (4, 5047889225), (5, 4038311380), (10, 2019155690), (20, 1009577845), (25, 807662276), (50, 403831138), (100, 201915569), (2141, 9430900), (4282, 4715450), (8564, 2357725), (10705, 1886180), (21410, 943090), (42820, 471545), (53525, 377236), (94309, 214100), (107050, 188618)]