20928864

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19819}}^1$

素因数の和:19843

約数の個数: 48

約数和(自身を含む): 59935680

約数和(自身を除く): 39006816

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19819, 39638, 59457, 79276, 118914, 158552, 218009, 237828, 317104, 436018, 475656, 634208, 654027, 872036, 951312, 1308054, 1744072, 1902624, 2616108, 3488144, 5232216, 6976288, 10464432, 20928864]

約数ペア:

[(1, 20928864), (2, 10464432), (3, 6976288), (4, 5232216), (6, 3488144), (8, 2616108), (11, 1902624), (12, 1744072), (16, 1308054), (22, 951312), (24, 872036), (32, 654027), (33, 634208), (44, 475656), (48, 436018), (66, 317104), (88, 237828), (96, 218009), (132, 158552), (176, 118914), (264, 79276), (352, 59457), (528, 39638), (1056, 19819)]