20875812

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 31163868

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1759, 1978, 2967, 3518, 3956, 5277, 5934, 7036, 10554, 11868, 21108, 40457, 75637, 80914, 121371, 151274, 161828, 226911, 242742, 302548, 453822, 485484, 907644, 1739651, 3479302, 5218953, 6958604, 10437906, 20875812]

約数ペア:

[(1, 20875812), (2, 10437906), (3, 6958604), (4, 5218953), (6, 3479302), (12, 1739651), (23, 907644), (43, 485484), (46, 453822), (69, 302548), (86, 242742), (92, 226911), (129, 161828), (138, 151274), (172, 121371), (258, 80914), (276, 75637), (516, 40457), (989, 21108), (1759, 11868), (1978, 10554), (2967, 7036), (3518, 5934), (3956, 5277)]