20173823978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1\times {\mathrm{16381}}^1$

素因数の和:17139

約数の個数: 48

約数和(自身を含む): 38068098432

約数和(自身を除く): 17894274454

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 727, 847, 1454, 1694, 5089, 7997, 10178, 15994, 16381, 32762, 55979, 87967, 111958, 114667, 175934, 180191, 229334, 360382, 615769, 1231538, 1261337, 1982101, 2522674, 3964202, 11908987, 13874707, 23817974, 27749414, 83362909, 130998857, 166725818, 261997714, 916991999, 1440987427, 1833983998, 2881974854, 10086911989, 20173823978]

約数ペア:

[(1, 20173823978), (2, 10086911989), (7, 2881974854), (11, 1833983998), (14, 1440987427), (22, 916991999), (77, 261997714), (121, 166725818), (154, 130998857), (242, 83362909), (727, 27749414), (847, 23817974), (1454, 13874707), (1694, 11908987), (5089, 3964202), (7997, 2522674), (10178, 1982101), (15994, 1261337), (16381, 1231538), (32762, 615769), (55979, 360382), (87967, 229334), (111958, 180191), (114667, 175934)]