20897982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165857}}^1$

素因数の和:165872

約数の個数: 24

約数和(自身を含む): 51747696

約数和(自身を除く): 30849714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165857, 331714, 497571, 995142, 1160999, 1492713, 2321998, 2985426, 3482997, 6965994, 10448991, 20897982]

約数ペア:

[(1, 20897982), (2, 10448991), (3, 6965994), (6, 3482997), (7, 2985426), (9, 2321998), (14, 1492713), (18, 1160999), (21, 995142), (42, 497571), (63, 331714), (126, 165857)]