20027964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 51722496

約数和(自身を除く): 31694532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2137, 2343, 3124, 4274, 4686, 6411, 8548, 9372, 12822, 23507, 25644, 47014, 70521, 94028, 141042, 151727, 282084, 303454, 455181, 606908, 910362, 1668997, 1820724, 3337994, 5006991, 6675988, 10013982, 20027964]

約数ペア:

[(1, 20027964), (2, 10013982), (3, 6675988), (4, 5006991), (6, 3337994), (11, 1820724), (12, 1668997), (22, 910362), (33, 606908), (44, 455181), (66, 303454), (71, 282084), (132, 151727), (142, 141042), (213, 94028), (284, 70521), (426, 47014), (781, 25644), (852, 23507), (1562, 12822), (2137, 9372), (2343, 8548), (3124, 6411), (4274, 4686)]