20349981

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11583459

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 593, 837, 1107, 1271, 1779, 3813, 5337, 11439, 16011, 18383, 24313, 34317, 55149, 72939, 165447, 218817, 496341, 656451, 753703, 2261109, 6783327, 20349981]

約数ペア:

[(1, 20349981), (3, 6783327), (9, 2261109), (27, 753703), (31, 656451), (41, 496341), (93, 218817), (123, 165447), (279, 72939), (369, 55149), (593, 34317), (837, 24313), (1107, 18383), (1271, 16011), (1779, 11439), (3813, 5337)]