20197513984

素因数分解:

$2^8\times {\mathrm{139}}^1\times {\mathrm{567601}}^1$

素因数の和:567756

約数の個数: 36

約数和(自身を含む): 40606247080

約数和(自身を除く): 20408733096

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 556, 1112, 2224, 4448, 8896, 17792, 35584, 567601, 1135202, 2270404, 4540808, 9081616, 18163232, 36326464, 72652928, 78896539, 145305856, 157793078, 315586156, 631172312, 1262344624, 2524689248, 5049378496, 10098756992, 20197513984]

約数ペア:

[(1, 20197513984), (2, 10098756992), (4, 5049378496), (8, 2524689248), (16, 1262344624), (32, 631172312), (64, 315586156), (128, 157793078), (139, 145305856), (256, 78896539), (278, 72652928), (556, 36326464), (1112, 18163232), (2224, 9081616), (4448, 4540808), (8896, 2270404), (17792, 1135202), (35584, 567601)]