16685968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{80221}}^1$

素因数の和:80242

約数の個数: 20

約数和(自身を含む): 34816348

約数和(自身を除く): 18130380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 80221, 160442, 320884, 641768, 1042873, 1283536, 2085746, 4171492, 8342984, 16685968]

約数ペア:

[(1, 16685968), (2, 8342984), (4, 4171492), (8, 2085746), (13, 1283536), (16, 1042873), (26, 641768), (52, 320884), (104, 160442), (208, 80221)]