20014715

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 9292165

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 529, 805, 1081, 1645, 2645, 3703, 5405, 7567, 12167, 18515, 24863, 37835, 60835, 85169, 124315, 174041, 425845, 571849, 870205, 2859245, 4002943, 20014715]

約数ペア:

[(1, 20014715), (5, 4002943), (7, 2859245), (23, 870205), (35, 571849), (47, 425845), (115, 174041), (161, 124315), (235, 85169), (329, 60835), (529, 37835), (805, 24863), (1081, 18515), (1645, 12167), (2645, 7567), (3703, 5405)]