20247718407

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1069}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 32048640000

約数和(自身を除く): 11800921593

約数列:

[1, 3, 7, 21, 49, 79, 147, 233, 237, 343, 553, 699, 1029, 1069, 1631, 1659, 3207, 3871, 4893, 7483, 11417, 11613, 18407, 22449, 27097, 34251, 52381, 55221, 79919, 81291, 84451, 128849, 157143, 239757, 249077, 253353, 366667, 386547, 591157, 747231, 901943, 1100001, 1743539, 1773471, 2705829, 4138099, 5230617, 6313601, 12204773, 12414297, 18940803, 19677083, 28966693, 36614319, 59031249, 85433411, 86900079, 137739581, 256300233, 413218743, 964177067, 2892531201, 6749239469, 20247718407]

約数ペア:

[(1, 20247718407), (3, 6749239469), (7, 2892531201), (21, 964177067), (49, 413218743), (79, 256300233), (147, 137739581), (233, 86900079), (237, 85433411), (343, 59031249), (553, 36614319), (699, 28966693), (1029, 19677083), (1069, 18940803), (1631, 12414297), (1659, 12204773), (3207, 6313601), (3871, 5230617), (4893, 4138099), (7483, 2705829), (11417, 1773471), (11613, 1743539), (18407, 1100001), (22449, 901943), (27097, 747231), (34251, 591157), (52381, 386547), (55221, 366667), (79919, 253353), (81291, 249077), (84451, 239757), (128849, 157143)]