20175615

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{751}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 36096000

約数和(自身を除く): 15920385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 751, 995, 1791, 2253, 2985, 3755, 5373, 6759, 8955, 11265, 20277, 26865, 33795, 101385, 149449, 448347, 747245, 1345041, 2241735, 4035123, 6725205, 20175615]

約数ペア:

[(1, 20175615), (3, 6725205), (5, 4035123), (9, 2241735), (15, 1345041), (27, 747245), (45, 448347), (135, 149449), (199, 101385), (597, 33795), (751, 26865), (995, 20277), (1791, 11265), (2253, 8955), (2985, 6759), (3755, 5373)]