20219901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1181}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 29124480

約数和(自身を除く): 8904579

約数列:

[1, 3, 13, 39, 439, 1181, 1317, 3543, 5707, 15353, 17121, 46059, 518459, 1555377, 6739967, 20219901]

約数ペア:

[(1, 20219901), (3, 6739967), (13, 1555377), (39, 518459), (439, 46059), (1181, 17121), (1317, 15353), (3543, 5707)]