20008946993

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{2789}}^1\times {\mathrm{4723}}^1$

素因数の和:7557

約数の個数: 24

約数和(自身を含む): 24040247040

約数和(自身を除く): 4031300047

約数列:

[1, 7, 31, 49, 217, 1519, 2789, 4723, 19523, 33061, 86459, 136661, 146413, 231427, 605213, 1024891, 4236491, 7174237, 13172447, 92207129, 408345857, 645449903, 2858420999, 20008946993]

約数ペア:

[(1, 20008946993), (7, 2858420999), (31, 645449903), (49, 408345857), (217, 92207129), (1519, 13172447), (2789, 7174237), (4723, 4236491), (19523, 1024891), (33061, 605213), (86459, 231427), (136661, 146413)]