20380718

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:967

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 10754386

約数列:

[1, 2, 107, 131, 214, 262, 727, 1454, 14017, 28034, 77789, 95237, 155578, 190474, 10190359, 20380718]

約数ペア:

[(1, 20380718), (2, 10190359), (107, 190474), (131, 155578), (214, 95237), (262, 77789), (727, 28034), (1454, 14017)]