19820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35393}}^1$

素因数の和:35413

約数の個数: 40

約数和(自身を含む): 52666272

約数和(自身を除く): 32846192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35393, 70786, 141572, 176965, 247751, 283144, 353930, 495502, 566288, 707860, 991004, 1238755, 1415720, 1982008, 2477510, 2831440, 3964016, 4955020, 9910040, 19820080]

約数ペア:

[(1, 19820080), (2, 9910040), (4, 4955020), (5, 3964016), (7, 2831440), (8, 2477510), (10, 1982008), (14, 1415720), (16, 1238755), (20, 991004), (28, 707860), (35, 566288), (40, 495502), (56, 353930), (70, 283144), (80, 247751), (112, 176965), (140, 141572), (280, 70786), (560, 35393)]