20956854

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5449}}^1$

素因数の和:6095

約数の個数: 16

約数和(自身を含む): 41986800

約数和(自身を除く): 21029946

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5449, 10898, 16347, 32694, 3492809, 6985618, 10478427, 20956854]

約数ペア:

[(1, 20956854), (2, 10478427), (3, 6985618), (6, 3492809), (641, 32694), (1282, 16347), (1923, 10898), (3846, 5449)]