20942642

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 16019278

約数列:

[1, 2, 7, 14, 61, 122, 137, 179, 274, 358, 427, 854, 959, 1253, 1918, 2506, 8357, 10919, 16714, 21838, 24523, 49046, 58499, 76433, 116998, 152866, 171661, 343322, 1495903, 2991806, 10471321, 20942642]

約数ペア:

[(1, 20942642), (2, 10471321), (7, 2991806), (14, 1495903), (61, 343322), (122, 171661), (137, 152866), (179, 116998), (274, 76433), (358, 58499), (427, 49046), (854, 24523), (959, 21838), (1253, 16714), (1918, 10919), (2506, 8357)]