20859657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13734903

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 701, 763, 1417, 2103, 2289, 4251, 4907, 9113, 9919, 14721, 27339, 29757, 63791, 76409, 191373, 229227, 534863, 993317, 1604589, 2979951, 6953219, 20859657]

約数ペア:

[(1, 20859657), (3, 6953219), (7, 2979951), (13, 1604589), (21, 993317), (39, 534863), (91, 229227), (109, 191373), (273, 76409), (327, 63791), (701, 29757), (763, 27339), (1417, 14721), (2103, 9919), (2289, 9113), (4251, 4907)]