20011895902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1\times {\mathrm{4523}}^1$

素因数の和:5328

約数の個数: 32

約数和(自身を含む): 31191713280

約数和(自身を除く): 11179817378

約数列:

[1, 2, 41, 79, 82, 158, 683, 1366, 3239, 4523, 6478, 9046, 28003, 53957, 56006, 107914, 185443, 357317, 370886, 714634, 2212237, 3089209, 4424474, 6178418, 14649997, 29299994, 126657569, 244047511, 253315138, 488095022, 10005947951, 20011895902]

約数ペア:

[(1, 20011895902), (2, 10005947951), (41, 488095022), (79, 253315138), (82, 244047511), (158, 126657569), (683, 29299994), (1366, 14649997), (3239, 6178418), (4523, 4424474), (6478, 3089209), (9046, 2212237), (28003, 714634), (53957, 370886), (56006, 357317), (107914, 185443)]