20127208004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1125431}}^1$

素因数の和:1125715

約数の個数: 24

約数和(自身を含む): 37436370048

約数和(自身を除く): 17309162044

約数列:

[1, 2, 4, 17, 34, 68, 263, 526, 1052, 4471, 8942, 17884, 1125431, 2250862, 4501724, 19132327, 38264654, 76529308, 295988353, 591976706, 1183953412, 5031802001, 10063604002, 20127208004]

約数ペア:

[(1, 20127208004), (2, 10063604002), (4, 5031802001), (17, 1183953412), (34, 591976706), (68, 295988353), (263, 76529308), (526, 38264654), (1052, 19132327), (4471, 4501724), (8942, 2250862), (17884, 1125431)]