20720562

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2833}}^1$

素因数の和:2914

約数の個数: 32

約数和(自身を含む): 44074368

約数和(自身を除く): 23353806

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2833, 3657, 5666, 7314, 8499, 16998, 65159, 130318, 150149, 195477, 300298, 390954, 450447, 900894, 3453427, 6906854, 10360281, 20720562]

約数ペア:

[(1, 20720562), (2, 10360281), (3, 6906854), (6, 3453427), (23, 900894), (46, 450447), (53, 390954), (69, 300298), (106, 195477), (138, 150149), (159, 130318), (318, 65159), (1219, 16998), (2438, 8499), (2833, 7314), (3657, 5666)]