20397982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48799}}^1$

素因数の和:48831

約数の個数: 16

約数和(自身を含む): 35136000

約数和(自身を除く): 14738018

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 48799, 97598, 536789, 927181, 1073578, 1854362, 10198991, 20397982]

約数ペア:

[(1, 20397982), (2, 10198991), (11, 1854362), (19, 1073578), (22, 927181), (38, 536789), (209, 97598), (418, 48799)]