20515656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122117}}^1$

素因数の和:122133

約数の個数: 32

約数和(自身を含む): 58616640

約数和(自身を除く): 38100984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122117, 244234, 366351, 488468, 732702, 854819, 976936, 1465404, 1709638, 2564457, 2930808, 3419276, 5128914, 6838552, 10257828, 20515656]

約数ペア:

[(1, 20515656), (2, 10257828), (3, 6838552), (4, 5128914), (6, 3419276), (7, 2930808), (8, 2564457), (12, 1709638), (14, 1465404), (21, 976936), (24, 854819), (28, 732702), (42, 488468), (56, 366351), (84, 244234), (168, 122117)]