20457258

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2797}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 43514496

約数和(自身を除く): 23057238

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2797, 3657, 5594, 7314, 8391, 16782, 64331, 128662, 148241, 192993, 296482, 385986, 444723, 889446, 3409543, 6819086, 10228629, 20457258]

約数ペア:

[(1, 20457258), (2, 10228629), (3, 6819086), (6, 3409543), (23, 889446), (46, 444723), (53, 385986), (69, 296482), (106, 192993), (138, 148241), (159, 128662), (318, 64331), (1219, 16782), (2438, 8391), (2797, 7314), (3657, 5594)]