20157303621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73836277}}^1$

素因数の和:73836300

約数の個数: 16

約数和(自身を含む): 33078652544

約数和(自身を除く): 12921348923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73836277, 221508831, 516853939, 959871601, 1550561817, 2879614803, 6719101207, 20157303621]

約数ペア:

[(1, 20157303621), (3, 6719101207), (7, 2879614803), (13, 1550561817), (21, 959871601), (39, 516853939), (91, 221508831), (273, 73836277)]