20512305770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2554459}}^1$

素因数の和:2554550

約数の個数: 32

約数和(自身を含む): 40830488640

約数和(自身を除く): 20318182870

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 2554459, 5108918, 12772295, 25544590, 28099049, 56198098, 140495245, 186475507, 280990490, 372951014, 932377535, 1864755070, 2051230577, 4102461154, 10256152885, 20512305770]

約数ペア:

[(1, 20512305770), (2, 10256152885), (5, 4102461154), (10, 2051230577), (11, 1864755070), (22, 932377535), (55, 372951014), (73, 280990490), (110, 186475507), (146, 140495245), (365, 56198098), (730, 28099049), (803, 25544590), (1606, 12772295), (4015, 5108918), (8030, 2554459)]