20696259

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1543}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 29348352

約数和(自身を除く): 8652093

約数列:

[1, 3, 17, 51, 263, 789, 1543, 4471, 4629, 13413, 26231, 78693, 405809, 1217427, 6898753, 20696259]

約数ペア:

[(1, 20696259), (3, 6898753), (17, 1217427), (51, 405809), (263, 78693), (789, 26231), (1543, 13413), (4471, 4629)]