20894778

素因数分解:

$2^1\times 3^2\times {\mathrm{367}}^1\times {\mathrm{3163}}^1$

素因数の和:3538

約数の個数: 24

約数和(自身を含む): 45409728

約数和(自身を除く): 24514950

約数列:

[1, 2, 3, 6, 9, 18, 367, 734, 1101, 2202, 3163, 3303, 6326, 6606, 9489, 18978, 28467, 56934, 1160821, 2321642, 3482463, 6964926, 10447389, 20894778]

約数ペア:

[(1, 20894778), (2, 10447389), (3, 6964926), (6, 3482463), (9, 2321642), (18, 1160821), (367, 56934), (734, 28467), (1101, 18978), (2202, 9489), (3163, 6606), (3303, 6326)]