20185287580

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4187819}}^1$

素因数の和:4188069

約数の個数: 24

約数和(自身を含む): 42565002480

約数和(自身を除く): 22379714900

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 4187819, 8375638, 16751276, 20939095, 41878190, 83756380, 1009264379, 2018528758, 4037057516, 5046321895, 10092643790, 20185287580]

約数ペア:

[(1, 20185287580), (2, 10092643790), (4, 5046321895), (5, 4037057516), (10, 2018528758), (20, 1009264379), (241, 83756380), (482, 41878190), (964, 20939095), (1205, 16751276), (2410, 8375638), (4820, 4187819)]