20915554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{32783}}^1$

素因数の和:32825

約数の個数: 16

約数和(自身を含む): 35406720

約数和(自身を除く): 14491166

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 32783, 65566, 360613, 721226, 950707, 1901414, 10457777, 20915554]

約数ペア:

[(1, 20915554), (2, 10457777), (11, 1901414), (22, 950707), (29, 721226), (58, 360613), (319, 65566), (638, 32783)]