20147787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1801}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 32046768

約数和(自身を除く): 11898981

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 1801, 3729, 5403, 11187, 16209, 19811, 59433, 178299, 203513, 610539, 1831617, 2238643, 6715929, 20147787]

約数ペア:

[(1, 20147787), (3, 6715929), (9, 2238643), (11, 1831617), (33, 610539), (99, 203513), (113, 178299), (339, 59433), (1017, 19811), (1243, 16209), (1801, 11187), (3729, 5403)]