20345156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17011}}^1$

素因数の和:17051

約数の個数: 24

約数和(自身を含む): 40012224

約数和(自身を除く): 19667068

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17011, 34022, 68044, 221143, 391253, 442286, 782506, 884572, 1565012, 5086289, 10172578, 20345156]

約数ペア:

[(1, 20345156), (2, 10172578), (4, 5086289), (13, 1565012), (23, 884572), (26, 782506), (46, 442286), (52, 391253), (92, 221143), (299, 68044), (598, 34022), (1196, 17011)]