20540787

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1319}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7971213

約数列:

[1, 3, 29, 87, 179, 537, 1319, 3957, 5191, 15573, 38251, 114753, 236101, 708303, 6846929, 20540787]

約数ペア:

[(1, 20540787), (3, 6846929), (29, 708303), (87, 236101), (179, 114753), (537, 38251), (1319, 15573), (3957, 5191)]