20023479

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5387}}^1$

素因数の和:5459

約数の個数: 24

約数和(自身を含む): 33621120

約数和(自身を除く): 13597641

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5387, 16161, 37709, 48483, 113127, 317833, 339381, 953499, 2224831, 2860497, 6674493, 20023479]

約数ペア:

[(1, 20023479), (3, 6674493), (7, 2860497), (9, 2224831), (21, 953499), (59, 339381), (63, 317833), (177, 113127), (413, 48483), (531, 37709), (1239, 16161), (3717, 5387)]