20376009920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9096433}}^1$

素因数の和:9096457

約数の個数: 56

約数和(自身を含む): 55451861664

約数和(自身を除く): 35075851744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9096433, 18192866, 36385732, 45482165, 63675031, 72771464, 90964330, 127350062, 145542928, 181928660, 254700124, 291085856, 318375155, 363857320, 509400248, 582171712, 636750310, 727714640, 1018800496, 1273500620, 1455429280, 2037600992, 2547001240, 2910858560, 4075201984, 5094002480, 10188004960, 20376009920]

約数ペア:

[(1, 20376009920), (2, 10188004960), (4, 5094002480), (5, 4075201984), (7, 2910858560), (8, 2547001240), (10, 2037600992), (14, 1455429280), (16, 1273500620), (20, 1018800496), (28, 727714640), (32, 636750310), (35, 582171712), (40, 509400248), (56, 363857320), (64, 318375155), (70, 291085856), (80, 254700124), (112, 181928660), (140, 145542928), (160, 127350062), (224, 90964330), (280, 72771464), (320, 63675031), (448, 45482165), (560, 36385732), (1120, 18192866), (2240, 9096433)]