20980062

素因数分解:

$2^1\times 3^2\times {\mathrm{1051}}^1\times {\mathrm{1109}}^1$

素因数の和:2168

約数の個数: 24

約数和(自身を含む): 45541080

約数和(自身を除く): 24561018

約数列:

[1, 2, 3, 6, 9, 18, 1051, 1109, 2102, 2218, 3153, 3327, 6306, 6654, 9459, 9981, 18918, 19962, 1165559, 2331118, 3496677, 6993354, 10490031, 20980062]

約数ペア:

[(1, 20980062), (2, 10490031), (3, 6993354), (6, 3496677), (9, 2331118), (18, 1165559), (1051, 19962), (1109, 18918), (2102, 9981), (2218, 9459), (3153, 6654), (3327, 6306)]