20216742008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81519121}}^1$

素因数の和:81519158

約数の個数: 16

約数和(自身を含む): 39129178560

約数和(自身を除く): 18912436552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81519121, 163038242, 326076484, 652152968, 2527092751, 5054185502, 10108371004, 20216742008]

約数ペア:

[(1, 20216742008), (2, 10108371004), (4, 5054185502), (8, 2527092751), (31, 652152968), (62, 326076484), (124, 163038242), (248, 81519121)]