20392221241

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1\times {\mathrm{17387}}^1$

素因数の和:18804

約数の個数: 16

約数和(自身を含む): 23503011840

約数和(自身を除く): 3110790599

約数列:

[1, 7, 131, 917, 1279, 8953, 17387, 121709, 167549, 1172843, 2277697, 15943879, 22237973, 155665811, 2913174463, 20392221241]

約数ペア:

[(1, 20392221241), (7, 2913174463), (131, 155665811), (917, 22237973), (1279, 15943879), (8953, 2277697), (17387, 1172843), (121709, 167549)]