20428701

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 28045248

約数和(自身を除く): 7616547

約数列:

[1, 3, 41, 123, 307, 541, 921, 1623, 12587, 22181, 37761, 66543, 166087, 498261, 6809567, 20428701]

約数ペア:

[(1, 20428701), (3, 6809567), (41, 498261), (123, 166087), (307, 66543), (541, 37761), (921, 22181), (1623, 12587)]