20381442

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 21401598

約数列:

[1, 2, 3, 6, 61, 122, 183, 233, 239, 366, 466, 478, 699, 717, 1398, 1434, 14213, 14579, 28426, 29158, 42639, 43737, 55687, 85278, 87474, 111374, 167061, 334122, 3396907, 6793814, 10190721, 20381442]

約数ペア:

[(1, 20381442), (2, 10190721), (3, 6793814), (6, 3396907), (61, 334122), (122, 167061), (183, 111374), (233, 87474), (239, 85278), (366, 55687), (466, 43737), (478, 42639), (699, 29158), (717, 28426), (1398, 14579), (1434, 14213)]