20149665050

素因数分解:

$2^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1605551}}^1$

素因数の和:1605814

約数の個数: 24

約数和(自身を含む): 37627716672

約数和(自身を除く): 17478051622

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 2510, 6275, 12550, 1605551, 3211102, 8027755, 16055510, 40138775, 80277550, 402993301, 805986602, 2014966505, 4029933010, 10074832525, 20149665050]

約数ペア:

[(1, 20149665050), (2, 10074832525), (5, 4029933010), (10, 2014966505), (25, 805986602), (50, 402993301), (251, 80277550), (502, 40138775), (1255, 16055510), (2510, 8027755), (6275, 3211102), (12550, 1605551)]