20927484

素因数分解:

$2^2\times 3^4\times {\mathrm{64591}}^1$

素因数の和:64607

約数の個数: 30

約数和(自身を含む): 54709424

約数和(自身を除く): 33781940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64591, 129182, 193773, 258364, 387546, 581319, 775092, 1162638, 1743957, 2325276, 3487914, 5231871, 6975828, 10463742, 20927484]

約数ペア:

[(1, 20927484), (2, 10463742), (3, 6975828), (4, 5231871), (6, 3487914), (9, 2325276), (12, 1743957), (18, 1162638), (27, 775092), (36, 581319), (54, 387546), (81, 258364), (108, 193773), (162, 129182), (324, 64591)]