20199451

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3301349

約数列:

[1, 17, 19, 23, 323, 391, 437, 2719, 7429, 46223, 51661, 62537, 878237, 1063129, 1188203, 20199451]

約数ペア:

[(1, 20199451), (17, 1188203), (19, 1063129), (23, 878237), (323, 62537), (391, 51661), (437, 46223), (2719, 7429)]