16781660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{119869}}^1$

素因数の和:119885

約数の個数: 24

約数和(自身を含む): 40276320

約数和(自身を除く): 23494660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 119869, 239738, 479476, 599345, 839083, 1198690, 1678166, 2397380, 3356332, 4195415, 8390830, 16781660]

約数ペア:

[(1, 16781660), (2, 8390830), (4, 4195415), (5, 3356332), (7, 2397380), (10, 1678166), (14, 1198690), (20, 839083), (28, 599345), (35, 479476), (70, 239738), (140, 119869)]