20617337307

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31670257}}^1$

素因数の和:31670298

約数の個数: 16

約数和(自身を含む): 32430344192

約数和(自身を除く): 11813006885

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31670257, 95010771, 221691799, 665075397, 981777967, 2945333901, 6872445769, 20617337307]

約数ペア:

[(1, 20617337307), (3, 6872445769), (7, 2945333901), (21, 981777967), (31, 665075397), (93, 221691799), (217, 95010771), (651, 31670257)]