20218497579

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{183283}}^1$

素因数の和:183416

約数の個数: 48

約数和(自身を含む): 35683195392

約数和(自身を除く): 15464697813

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 103, 119, 153, 309, 357, 721, 927, 1071, 1751, 2163, 5253, 6489, 12257, 15759, 36771, 110313, 183283, 549849, 1282981, 1649547, 3115811, 3848943, 9347433, 11546829, 18878149, 21810677, 28042299, 56634447, 65432031, 132147043, 169903341, 196296093, 320928533, 396441129, 962785599, 1189323387, 2246499731, 2888356797, 6739499193, 20218497579]

約数ペア:

[(1, 20218497579), (3, 6739499193), (7, 2888356797), (9, 2246499731), (17, 1189323387), (21, 962785599), (51, 396441129), (63, 320928533), (103, 196296093), (119, 169903341), (153, 132147043), (309, 65432031), (357, 56634447), (721, 28042299), (927, 21810677), (1071, 18878149), (1751, 11546829), (2163, 9347433), (5253, 3848943), (6489, 3115811), (12257, 1649547), (15759, 1282981), (36771, 549849), (110313, 183283)]