20123484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 48935040

約数和(自身を除く): 28811556

約数列:

[1, 2, 3, 4, 6, 12, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 516, 661, 708, 1322, 1983, 2537, 2644, 3966, 5074, 7611, 7932, 10148, 15222, 28423, 30444, 38999, 56846, 77998, 85269, 113692, 116997, 155996, 170538, 233994, 341076, 467988, 1676957, 3353914, 5030871, 6707828, 10061742, 20123484]

約数ペア:

[(1, 20123484), (2, 10061742), (3, 6707828), (4, 5030871), (6, 3353914), (12, 1676957), (43, 467988), (59, 341076), (86, 233994), (118, 170538), (129, 155996), (172, 116997), (177, 113692), (236, 85269), (258, 77998), (354, 56846), (516, 38999), (661, 30444), (708, 28423), (1322, 15222), (1983, 10148), (2537, 7932), (2644, 7611), (3966, 5074)]