20848724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5647}}^1$

素因数の和:5735

約数の個数: 24

約数和(自身を含む): 39852288

約数和(自身を除く): 19003564

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5647, 11294, 22588, 73411, 146822, 293644, 400937, 801874, 1603748, 5212181, 10424362, 20848724]

約数ペア:

[(1, 20848724), (2, 10424362), (4, 5212181), (13, 1603748), (26, 801874), (52, 400937), (71, 293644), (142, 146822), (284, 73411), (923, 22588), (1846, 11294), (3692, 5647)]