20990158

素因数分解:

$2^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{2503}}^1$

素因数の和:3111

約数の個数: 16

約数和(自身を含む): 36057600

約数和(自身を除く): 15067442

約数列:

[1, 2, 7, 14, 599, 1198, 2503, 4193, 5006, 8386, 17521, 35042, 1499297, 2998594, 10495079, 20990158]

約数ペア:

[(1, 20990158), (2, 10495079), (7, 2998594), (14, 1499297), (599, 35042), (1198, 17521), (2503, 8386), (4193, 5006)]