20281794

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260023}}^1$

素因数の和:260041

約数の個数: 16

約数和(自身を含む): 43684032

約数和(自身を除く): 23402238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260023, 520046, 780069, 1560138, 3380299, 6760598, 10140897, 20281794]

約数ペア:

[(1, 20281794), (2, 10140897), (3, 6760598), (6, 3380299), (13, 1560138), (26, 780069), (39, 520046), (78, 260023)]