20118488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193447}}^1$

素因数の和:193466

約数の個数: 16

約数和(自身を含む): 40624080

約数和(自身を除く): 20505592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193447, 386894, 773788, 1547576, 2514811, 5029622, 10059244, 20118488]

約数ペア:

[(1, 20118488), (2, 10059244), (4, 5029622), (8, 2514811), (13, 1547576), (26, 773788), (52, 386894), (104, 193447)]