20884192

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:744

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 29533448

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 701, 784, 931, 1064, 1402, 1568, 1862, 2128, 2804, 3724, 4256, 4907, 5608, 7448, 9814, 11216, 13319, 14896, 19628, 22432, 26638, 29792, 34349, 39256, 53276, 68698, 78512, 93233, 106552, 137396, 157024, 186466, 213104, 274792, 372932, 426208, 549584, 652631, 745864, 1099168, 1305262, 1491728, 2610524, 2983456, 5221048, 10442096, 20884192]

約数ペア:

[(1, 20884192), (2, 10442096), (4, 5221048), (7, 2983456), (8, 2610524), (14, 1491728), (16, 1305262), (19, 1099168), (28, 745864), (32, 652631), (38, 549584), (49, 426208), (56, 372932), (76, 274792), (98, 213104), (112, 186466), (133, 157024), (152, 137396), (196, 106552), (224, 93233), (266, 78512), (304, 68698), (392, 53276), (532, 39256), (608, 34349), (701, 29792), (784, 26638), (931, 22432), (1064, 19628), (1402, 14896), (1568, 13319), (1862, 11216), (2128, 9814), (2804, 7448), (3724, 5608), (4256, 4907)]