20676344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{198811}}^1$

素因数の和:198830

約数の個数: 16

約数和(自身を含む): 41750520

約数和(自身を除く): 21074176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 198811, 397622, 795244, 1590488, 2584543, 5169086, 10338172, 20676344]

約数ペア:

[(1, 20676344), (2, 10338172), (4, 5169086), (8, 2584543), (13, 1590488), (26, 795244), (52, 397622), (104, 198811)]