20408037

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12763}}^1$

素因数の和:12820

約数の個数: 16

約数和(自身を含む): 30020928

約数和(自身を除く): 9612891

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12763, 38289, 165919, 497757, 523283, 1569849, 6802679, 20408037]

約数ペア:

[(1, 20408037), (3, 6802679), (13, 1569849), (39, 523283), (41, 497757), (123, 165919), (533, 38289), (1599, 12763)]