20285398

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39161}}^1$

素因数の和:39207

約数の個数: 16

約数和(自身を含む): 35715744

約数和(自身を除く): 15430346

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39161, 78322, 274127, 548254, 1448957, 2897914, 10142699, 20285398]

約数ペア:

[(1, 20285398), (2, 10142699), (7, 2897914), (14, 1448957), (37, 548254), (74, 274127), (259, 78322), (518, 39161)]