20170720

素因数分解:

$2^5\times 5^1\times {\mathrm{126067}}^1$

素因数の和:126082

約数の個数: 24

約数和(自身を含む): 47653704

約数和(自身を除く): 27482984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126067, 252134, 504268, 630335, 1008536, 1260670, 2017072, 2521340, 4034144, 5042680, 10085360, 20170720]

約数ペア:

[(1, 20170720), (2, 10085360), (4, 5042680), (5, 4034144), (8, 2521340), (10, 2017072), (16, 1260670), (20, 1008536), (32, 630335), (40, 504268), (80, 252134), (160, 126067)]