20548912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 41409056

約数和(自身を除く): 20860144

約数列:

[1, 2, 4, 8, 16, 37, 74, 103, 148, 206, 296, 337, 412, 592, 674, 824, 1348, 1648, 2696, 3811, 5392, 7622, 12469, 15244, 24938, 30488, 34711, 49876, 60976, 69422, 99752, 138844, 199504, 277688, 555376, 1284307, 2568614, 5137228, 10274456, 20548912]

約数ペア:

[(1, 20548912), (2, 10274456), (4, 5137228), (8, 2568614), (16, 1284307), (37, 555376), (74, 277688), (103, 199504), (148, 138844), (206, 99752), (296, 69422), (337, 60976), (412, 49876), (592, 34711), (674, 30488), (824, 24938), (1348, 15244), (1648, 12469), (2696, 7622), (3811, 5392)]