20123110515

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2837}}^1\times {\mathrm{4591}}^1$

素因数の和:7539

約数の個数: 32

約数和(自身を含む): 32528111616

約数和(自身を除く): 12405001101

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 2837, 4591, 8511, 13773, 14185, 22955, 42555, 68865, 292211, 472873, 876633, 1418619, 1461055, 2364365, 4383165, 7093095, 13024667, 39074001, 65123335, 195370005, 1341540701, 4024622103, 6707703505, 20123110515]

約数ペア:

[(1, 20123110515), (3, 6707703505), (5, 4024622103), (15, 1341540701), (103, 195370005), (309, 65123335), (515, 39074001), (1545, 13024667), (2837, 7093095), (4591, 4383165), (8511, 2364365), (13773, 1461055), (14185, 1418619), (22955, 876633), (42555, 472873), (68865, 292211)]