20521570808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150893903}}^1$

素因数の和:150893926

約数の個数: 16

約数和(自身を含む): 40741354080

約数和(自身を除く): 20219783272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150893903, 301787806, 603575612, 1207151224, 2565196351, 5130392702, 10260785404, 20521570808]

約数ペア:

[(1, 20521570808), (2, 10260785404), (4, 5130392702), (8, 2565196351), (17, 1207151224), (34, 603575612), (68, 301787806), (136, 150893903)]