20208518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10321}}^1$

素因数の和:10423

約数の個数: 16

約数和(自身を含む): 33443280

約数和(自身を除く): 13234762

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10321, 20642, 113531, 227062, 918569, 1837138, 10104259, 20208518]

約数ペア:

[(1, 20208518), (2, 10104259), (11, 1837138), (22, 918569), (89, 227062), (178, 113531), (979, 20642), (1958, 10321)]