20282955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1033}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 42882048

約数和(自身を除く): 22599093

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 935, 1033, 1155, 1309, 1785, 2805, 3099, 3927, 5165, 6545, 7231, 11363, 15495, 17561, 19635, 21693, 34089, 36155, 52683, 56815, 79541, 87805, 108465, 122927, 170445, 193171, 238623, 263415, 368781, 397705, 579513, 614635, 965855, 1193115, 1352197, 1843905, 2897565, 4056591, 6760985, 20282955]

約数ペア:

[(1, 20282955), (3, 6760985), (5, 4056591), (7, 2897565), (11, 1843905), (15, 1352197), (17, 1193115), (21, 965855), (33, 614635), (35, 579513), (51, 397705), (55, 368781), (77, 263415), (85, 238623), (105, 193171), (119, 170445), (165, 122927), (187, 108465), (231, 87805), (255, 79541), (357, 56815), (385, 52683), (561, 36155), (595, 34089), (935, 21693), (1033, 19635), (1155, 17561), (1309, 15495), (1785, 11363), (2805, 7231), (3099, 6545), (3927, 5165)]