20937080

素因数分解:

$2^3\times 5^1\times {\mathrm{523427}}^1$

素因数の和:523438

約数の個数: 16

約数和(自身を含む): 47108520

約数和(自身を除く): 26171440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523427, 1046854, 2093708, 2617135, 4187416, 5234270, 10468540, 20937080]

約数ペア:

[(1, 20937080), (2, 10468540), (4, 5234270), (5, 4187416), (8, 2617135), (10, 2093708), (20, 1046854), (40, 523427)]