20989692

素因数分解:

$2^2\times 3^4\times {\mathrm{64783}}^1$

素因数の和:64799

約数の個数: 30

約数和(自身を含む): 54872048

約数和(自身を除く): 33882356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64783, 129566, 194349, 259132, 388698, 583047, 777396, 1166094, 1749141, 2332188, 3498282, 5247423, 6996564, 10494846, 20989692]

約数ペア:

[(1, 20989692), (2, 10494846), (3, 6996564), (4, 5247423), (6, 3498282), (9, 2332188), (12, 1749141), (18, 1166094), (27, 777396), (36, 583047), (54, 388698), (81, 259132), (108, 194349), (162, 129566), (324, 64783)]