20019467

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 2452213

約数列:

[1, 13, 43, 59, 559, 607, 767, 2537, 7891, 26101, 32981, 35813, 339313, 465569, 1539959, 20019467]

約数ペア:

[(1, 20019467), (13, 1539959), (43, 465569), (59, 339313), (559, 35813), (607, 32981), (767, 26101), (2537, 7891)]