20127156725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{82463}}^1$

素因数の和:83237

約数の個数: 24

約数和(自身を含む): 26913610752

約数和(自身を除く): 6786454027

約数列:

[1, 5, 13, 25, 65, 325, 751, 3755, 9763, 18775, 48815, 82463, 244075, 412315, 1072019, 2061575, 5360095, 26800475, 61929713, 309648565, 805086269, 1548242825, 4025431345, 20127156725]

約数ペア:

[(1, 20127156725), (5, 4025431345), (13, 1548242825), (25, 805086269), (65, 309648565), (325, 61929713), (751, 26800475), (3755, 5360095), (9763, 2061575), (18775, 1072019), (48815, 412315), (82463, 244075)]