20803556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9439}}^1$

素因数の和:9491

約数の個数: 24

約数和(自身を含む): 39648000

約数和(自身を除く): 18844444

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9439, 18878, 37756, 179341, 273731, 358682, 547462, 717364, 1094924, 5200889, 10401778, 20803556]

約数ペア:

[(1, 20803556), (2, 10401778), (4, 5200889), (19, 1094924), (29, 717364), (38, 547462), (58, 358682), (76, 273731), (116, 179341), (551, 37756), (1102, 18878), (2204, 9439)]