20787663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1429}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 29949920

約数和(自身を除く): 9162257

約数列:

[1, 3, 13, 39, 373, 1119, 1429, 4287, 4849, 14547, 18577, 55731, 533017, 1599051, 6929221, 20787663]

約数ペア:

[(1, 20787663), (3, 6929221), (13, 1599051), (39, 533017), (373, 55731), (1119, 18577), (1429, 14547), (4287, 4849)]