20850372008

素因数分解:

$2^3\times {\mathrm{7937}}^1\times {\mathrm{328373}}^1$

素因数の和:336316

約数の個数: 16

約数和(自身を含む): 39099492180

約数和(自身を除く): 18249120172

約数列:

[1, 2, 4, 8, 7937, 15874, 31748, 63496, 328373, 656746, 1313492, 2626984, 2606296501, 5212593002, 10425186004, 20850372008]

約数ペア:

[(1, 20850372008), (2, 10425186004), (4, 5212593002), (8, 2606296501), (7937, 2626984), (15874, 1313492), (31748, 656746), (63496, 328373)]