20352501

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13381}}^1$

素因数の和:13413

約数の個数: 18

約数和(自身を含む): 31835778

約数和(自身を除く): 11483277

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13381, 40143, 120429, 173953, 521859, 1565577, 2261389, 6784167, 20352501]

約数ペア:

[(1, 20352501), (3, 6784167), (9, 2261389), (13, 1565577), (39, 521859), (117, 173953), (169, 120429), (507, 40143), (1521, 13381)]