20128095

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3823}}^1$

素因数の和:3853

約数の個数: 40

約数和(自身を含む): 38867136

約数和(自身を除く): 18739041

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3823, 5265, 11469, 19115, 34407, 49699, 57345, 103221, 149097, 172035, 248495, 309663, 447291, 516105, 745485, 1341873, 1548315, 2236455, 4025619, 6709365, 20128095]

約数ペア:

[(1, 20128095), (3, 6709365), (5, 4025619), (9, 2236455), (13, 1548315), (15, 1341873), (27, 745485), (39, 516105), (45, 447291), (65, 309663), (81, 248495), (117, 172035), (135, 149097), (195, 103221), (351, 57345), (405, 49699), (585, 34407), (1053, 19115), (1755, 11469), (3823, 5265)]