20278330731

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{2953}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 30633121792

約数和(自身を除く): 10354791061

約数列:

[1, 3, 9, 31, 93, 151, 163, 279, 453, 489, 1359, 1467, 2953, 4681, 5053, 8859, 14043, 15159, 24613, 26577, 42129, 45477, 73839, 91543, 221517, 274629, 445903, 481339, 763003, 823887, 1337709, 1444017, 2289009, 4013127, 4332051, 6867027, 13822993, 14921509, 41468979, 44764527, 72682189, 124406937, 134293581, 218046567, 654139701, 2253147859, 6759443577, 20278330731]

約数ペア:

[(1, 20278330731), (3, 6759443577), (9, 2253147859), (31, 654139701), (93, 218046567), (151, 134293581), (163, 124406937), (279, 72682189), (453, 44764527), (489, 41468979), (1359, 14921509), (1467, 13822993), (2953, 6867027), (4681, 4332051), (5053, 4013127), (8859, 2289009), (14043, 1444017), (15159, 1337709), (24613, 823887), (26577, 763003), (42129, 481339), (45477, 445903), (73839, 274629), (91543, 221517)]