20431456

素因数分解:

$2^5\times {\mathrm{311}}^1\times {\mathrm{2053}}^1$

素因数の和:2374

約数の個数: 24

約数和(自身を含む): 40373424

約数和(自身を除く): 19941968

約数列:

[1, 2, 4, 8, 16, 32, 311, 622, 1244, 2053, 2488, 4106, 4976, 8212, 9952, 16424, 32848, 65696, 638483, 1276966, 2553932, 5107864, 10215728, 20431456]

約数ペア:

[(1, 20431456), (2, 10215728), (4, 5107864), (8, 2553932), (16, 1276966), (32, 638483), (311, 65696), (622, 32848), (1244, 16424), (2053, 9952), (2488, 8212), (4106, 4976)]