20691214

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12157}}^1$

素因数の和:12219

約数の個数: 16

約数和(自身を含む): 33264288

約数和(自身を除く): 12573074

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12157, 24314, 279611, 449809, 559222, 899618, 10345607, 20691214]

約数ペア:

[(1, 20691214), (2, 10345607), (23, 899618), (37, 559222), (46, 449809), (74, 279611), (851, 24314), (1702, 12157)]