20144079

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11466801

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 587, 837, 1107, 1271, 1761, 3813, 5283, 11439, 15849, 18197, 24067, 34317, 54591, 72201, 163773, 216603, 491319, 649809, 746077, 2238231, 6714693, 20144079]

約数ペア:

[(1, 20144079), (3, 6714693), (9, 2238231), (27, 746077), (31, 649809), (41, 491319), (93, 216603), (123, 163773), (279, 72201), (369, 54591), (587, 34317), (837, 24067), (1107, 18197), (1271, 15849), (1761, 11439), (3813, 5283)]