20882008

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6113}}^1$

素因数の和:6187

約数の個数: 32

約数和(自身を含む): 45488160

約数和(自身を除く): 24606152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6113, 12226, 24452, 42791, 48904, 85582, 171164, 342328, 372893, 745786, 1491572, 2610251, 2983144, 5220502, 10441004, 20882008]

約数ペア:

[(1, 20882008), (2, 10441004), (4, 5220502), (7, 2983144), (8, 2610251), (14, 1491572), (28, 745786), (56, 372893), (61, 342328), (122, 171164), (244, 85582), (427, 48904), (488, 42791), (854, 24452), (1708, 12226), (3416, 6113)]