20406988810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10391}}^1\times {\mathrm{15107}}^1$

素因数の和:25518

約数の個数: 32

約数和(自身を含む): 39564588672

約数和(自身を除く): 19157599862

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 10391, 15107, 20782, 30214, 51955, 75535, 103910, 135083, 151070, 196391, 270166, 392782, 675415, 981955, 1350830, 1963910, 156976837, 313953674, 784884185, 1569768370, 2040698881, 4081397762, 10203494405, 20406988810]

約数ペア:

[(1, 20406988810), (2, 10203494405), (5, 4081397762), (10, 2040698881), (13, 1569768370), (26, 784884185), (65, 313953674), (130, 156976837), (10391, 1963910), (15107, 1350830), (20782, 981955), (30214, 675415), (51955, 392782), (75535, 270166), (103910, 196391), (135083, 151070)]