20280778

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 15961142

約数列:

[1, 2, 7, 14, 43, 59, 86, 118, 301, 413, 571, 602, 826, 1142, 2537, 3997, 5074, 7994, 17759, 24553, 33689, 35518, 49106, 67378, 171871, 235823, 343742, 471646, 1448627, 2897254, 10140389, 20280778]

約数ペア:

[(1, 20280778), (2, 10140389), (7, 2897254), (14, 1448627), (43, 471646), (59, 343742), (86, 235823), (118, 171871), (301, 67378), (413, 49106), (571, 35518), (602, 33689), (826, 24553), (1142, 17759), (2537, 7994), (3997, 5074)]