20004016

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2311}}^1$

素因数の和:2860

約数の個数: 20

約数和(自身を含む): 38846224

約数和(自身を除く): 18842208

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2311, 4328, 4622, 8656, 9244, 18488, 36976, 1250251, 2500502, 5001004, 10002008, 20004016]

約数ペア:

[(1, 20004016), (2, 10002008), (4, 5001004), (8, 2500502), (16, 1250251), (541, 36976), (1082, 18488), (2164, 9244), (2311, 8656), (4328, 4622)]