20320496

素因数分解:

$2^4\times 7^2\times {\mathrm{25919}}^1$

素因数の和:25941

約数の個数: 30

約数和(自身を含む): 45800640

約数和(自身を除く): 25480144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25919, 51838, 103676, 181433, 207352, 362866, 414704, 725732, 1270031, 1451464, 2540062, 2902928, 5080124, 10160248, 20320496]

約数ペア:

[(1, 20320496), (2, 10160248), (4, 5080124), (7, 2902928), (8, 2540062), (14, 1451464), (16, 1270031), (28, 725732), (49, 414704), (56, 362866), (98, 207352), (112, 181433), (196, 103676), (392, 51838), (784, 25919)]