20265138

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{6907}}^1$

素因数の和:7078

約数の個数: 24

約数和(自身を含む): 44183568

約数和(自身を除く): 23918430

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 6907, 13814, 20721, 41442, 62163, 124326, 1125841, 2251682, 3377523, 6755046, 10132569, 20265138]

約数ペア:

[(1, 20265138), (2, 10132569), (3, 6755046), (6, 3377523), (9, 2251682), (18, 1125841), (163, 124326), (326, 62163), (489, 41442), (978, 20721), (1467, 13814), (2934, 6907)]