20409866

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{3323}}^1$

素因数の和:3445

約数の個数: 16

約数和(自身を含む): 31830624

約数和(自身を除く): 11420758

約数列:

[1, 2, 37, 74, 83, 166, 3071, 3323, 6142, 6646, 122951, 245902, 275809, 551618, 10204933, 20409866]

約数ペア:

[(1, 20409866), (2, 10204933), (37, 551618), (74, 275809), (83, 245902), (166, 122951), (3071, 6646), (3323, 6142)]