20579244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 55104000

約数和(自身を除く): 34524756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 599, 818, 1198, 1227, 1636, 1797, 2396, 2454, 2863, 3594, 4193, 4908, 5726, 7188, 8386, 8589, 11452, 12579, 16772, 17178, 25158, 34356, 50316, 244991, 489982, 734973, 979964, 1469946, 1714937, 2939892, 3429874, 5144811, 6859748, 10289622, 20579244]

約数ペア:

[(1, 20579244), (2, 10289622), (3, 6859748), (4, 5144811), (6, 3429874), (7, 2939892), (12, 1714937), (14, 1469946), (21, 979964), (28, 734973), (42, 489982), (84, 244991), (409, 50316), (599, 34356), (818, 25158), (1198, 17178), (1227, 16772), (1636, 12579), (1797, 11452), (2396, 8589), (2454, 8386), (2863, 7188), (3594, 5726), (4193, 4908)]