20280138

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1019}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 22021302

約数列:

[1, 2, 3, 6, 31, 62, 93, 107, 186, 214, 321, 642, 1019, 2038, 3057, 3317, 6114, 6634, 9951, 19902, 31589, 63178, 94767, 109033, 189534, 218066, 327099, 654198, 3380023, 6760046, 10140069, 20280138]

約数ペア:

[(1, 20280138), (2, 10140069), (3, 6760046), (6, 3380023), (31, 654198), (62, 327099), (93, 218066), (107, 189534), (186, 109033), (214, 94767), (321, 63178), (642, 31589), (1019, 19902), (2038, 9951), (3057, 6634), (3317, 6114)]