2017658660

素因数分解:

$2^2\times 5^1\times {\mathrm{23687}}^1\times {\mathrm{4259}}^1$

素因数の和:27955

約数の個数: 24

約数和(自身を含む): 4238256960

約数和(自身を除く): 2220598300

約数列:

[1, 2, 4, 5, 10, 20, 4259, 8518, 17036, 21295, 23687, 42590, 47374, 85180, 94748, 118435, 236870, 473740, 100882933, 201765866, 403531732, 504414665, 1008829330, 2017658660]

約数ペア:

[(1, 2017658660), (2, 1008829330), (4, 504414665), (5, 403531732), (10, 201765866), (20, 100882933), (4259, 473740), (8518, 236870), (17036, 118435), (21295, 94748), (23687, 85180), (42590, 47374)]