20948021241

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9684707}}^1$

素因数の和:9684820

約数の個数: 16

約数和(自身を含む): 32230708224

約数和(自身を除く): 11282686983

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9684707, 29054121, 67792949, 203378847, 997524821, 2992574463, 6982673747, 20948021241]

約数ペア:

[(1, 20948021241), (3, 6982673747), (7, 2992574463), (21, 997524821), (103, 203378847), (309, 67792949), (721, 29054121), (2163, 9684707)]