20491152

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^2$

素因数の和:416

約数の個数: 60

約数和(自身を含む): 58042416

約数和(自身を除く): 37551264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 197, 264, 394, 528, 591, 788, 1182, 1576, 2167, 2364, 3152, 4334, 4728, 6501, 8668, 9456, 13002, 17336, 26004, 34672, 38809, 52008, 77618, 104016, 116427, 155236, 232854, 310472, 426899, 465708, 620944, 853798, 931416, 1280697, 1707596, 1862832, 2561394, 3415192, 5122788, 6830384, 10245576, 20491152]

約数ペア:

[(1, 20491152), (2, 10245576), (3, 6830384), (4, 5122788), (6, 3415192), (8, 2561394), (11, 1862832), (12, 1707596), (16, 1280697), (22, 931416), (24, 853798), (33, 620944), (44, 465708), (48, 426899), (66, 310472), (88, 232854), (132, 155236), (176, 116427), (197, 104016), (264, 77618), (394, 52008), (528, 38809), (591, 34672), (788, 26004), (1182, 17336), (1576, 13002), (2167, 9456), (2364, 8668), (3152, 6501), (4334, 4728)]