20199424

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1409}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 46191600

約数和(自身を除く): 25992176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1409, 1792, 2048, 2818, 3584, 5636, 7168, 9863, 11272, 14336, 19726, 22544, 39452, 45088, 78904, 90176, 157808, 180352, 315616, 360704, 631232, 721408, 1262464, 1442816, 2524928, 2885632, 5049856, 10099712, 20199424]

約数ペア:

[(1, 20199424), (2, 10099712), (4, 5049856), (7, 2885632), (8, 2524928), (14, 1442816), (16, 1262464), (28, 721408), (32, 631232), (56, 360704), (64, 315616), (112, 180352), (128, 157808), (224, 90176), (256, 78904), (448, 45088), (512, 39452), (896, 22544), (1024, 19726), (1409, 14336), (1792, 11272), (2048, 9863), (2818, 7168), (3584, 5636)]