20216403088

素因数分解:

$2^4\times 7^1\times {\mathrm{180503599}}^1$

素因数の和:180503614

約数の個数: 20

約数和(自身を含む): 44764892800

約数和(自身を除く): 24548489712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180503599, 361007198, 722014396, 1263525193, 1444028792, 2527050386, 2888057584, 5054100772, 10108201544, 20216403088]

約数ペア:

[(1, 20216403088), (2, 10108201544), (4, 5054100772), (7, 2888057584), (8, 2527050386), (14, 1444028792), (16, 1263525193), (28, 722014396), (56, 361007198), (112, 180503599)]