20197735726

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{145477}}^1$

素因数の和:145744

約数の個数: 32

約数和(自身を含む): 35529219072

約数和(自身を除く): 15331483346

約数列:

[1, 2, 7, 14, 47, 94, 211, 329, 422, 658, 1477, 2954, 9917, 19834, 69419, 138838, 145477, 290954, 1018339, 2036678, 6837419, 13674838, 30695647, 47861933, 61391294, 95723866, 214869529, 429739058, 1442695409, 2885390818, 10098867863, 20197735726]

約数ペア:

[(1, 20197735726), (2, 10098867863), (7, 2885390818), (14, 1442695409), (47, 429739058), (94, 214869529), (211, 95723866), (329, 61391294), (422, 47861933), (658, 30695647), (1477, 13674838), (2954, 6837419), (9917, 2036678), (19834, 1018339), (69419, 290954), (138838, 145477)]