20885310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 56309760

約数和(自身を除く): 35424450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 751, 927, 1030, 1502, 1545, 1854, 2253, 2781, 3090, 3755, 4506, 4635, 5562, 6759, 7510, 9270, 11265, 13518, 13905, 20277, 22530, 27810, 33795, 40554, 67590, 77353, 101385, 154706, 202770, 232059, 386765, 464118, 696177, 773530, 1160295, 1392354, 2088531, 2320590, 3480885, 4177062, 6961770, 10442655, 20885310]

約数ペア:

[(1, 20885310), (2, 10442655), (3, 6961770), (5, 4177062), (6, 3480885), (9, 2320590), (10, 2088531), (15, 1392354), (18, 1160295), (27, 773530), (30, 696177), (45, 464118), (54, 386765), (90, 232059), (103, 202770), (135, 154706), (206, 101385), (270, 77353), (309, 67590), (515, 40554), (618, 33795), (751, 27810), (927, 22530), (1030, 20277), (1502, 13905), (1545, 13518), (1854, 11265), (2253, 9270), (2781, 7510), (3090, 6759), (3755, 5562), (4506, 4635)]