20468470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2549}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 20290730

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2549, 4015, 5098, 8030, 12745, 25490, 28039, 56078, 140195, 186077, 280390, 372154, 930385, 1860770, 2046847, 4093694, 10234235, 20468470]

約数ペア:

[(1, 20468470), (2, 10234235), (5, 4093694), (10, 2046847), (11, 1860770), (22, 930385), (55, 372154), (73, 280390), (110, 186077), (146, 140195), (365, 56078), (730, 28039), (803, 25490), (1606, 12745), (2549, 8030), (4015, 5098)]