20690502180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2715289}}^1$

素因数の和:2715428

約数の個数: 48

約数和(自身を含む): 58389596160

約数和(自身を除く): 37699093980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 2715289, 5430578, 8145867, 10861156, 13576445, 16291734, 27152890, 32583468, 40729335, 54305780, 81458670, 162917340, 344841703, 689683406, 1034525109, 1379366812, 1724208515, 2069050218, 3448417030, 4138100436, 5172625545, 6896834060, 10345251090, 20690502180]

約数ペア:

[(1, 20690502180), (2, 10345251090), (3, 6896834060), (4, 5172625545), (5, 4138100436), (6, 3448417030), (10, 2069050218), (12, 1724208515), (15, 1379366812), (20, 1034525109), (30, 689683406), (60, 344841703), (127, 162917340), (254, 81458670), (381, 54305780), (508, 40729335), (635, 32583468), (762, 27152890), (1270, 16291734), (1524, 13576445), (1905, 10861156), (2540, 8145867), (3810, 5430578), (7620, 2715289)]