20960505

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 37564800

約数和(自身を除く): 16604295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1117, 1251, 2085, 3351, 3753, 5585, 6255, 10053, 16755, 18765, 30159, 50265, 150795, 155263, 465789, 776315, 1397367, 2328945, 4192101, 6986835, 20960505]

約数ペア:

[(1, 20960505), (3, 6986835), (5, 4192101), (9, 2328945), (15, 1397367), (27, 776315), (45, 465789), (135, 155263), (139, 150795), (417, 50265), (695, 30159), (1117, 18765), (1251, 16755), (2085, 10053), (3351, 6255), (3753, 5585)]