20516804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2297}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 46327680

約数和(自身を除く): 25810876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2297, 4466, 4594, 8932, 9188, 16079, 25267, 32158, 50534, 64316, 66613, 101068, 133226, 176869, 266452, 353738, 466291, 707476, 732743, 932582, 1465486, 1865164, 2930972, 5129201, 10258402, 20516804]

約数ペア:

[(1, 20516804), (2, 10258402), (4, 5129201), (7, 2930972), (11, 1865164), (14, 1465486), (22, 932582), (28, 732743), (29, 707476), (44, 466291), (58, 353738), (77, 266452), (116, 176869), (154, 133226), (203, 101068), (308, 66613), (319, 64316), (406, 50534), (638, 32158), (812, 25267), (1276, 16079), (2233, 9188), (2297, 8932), (4466, 4594)]