20137644

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 54600000

約数和(自身を除く): 34462356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 499, 531, 684, 708, 998, 1062, 1121, 1497, 1996, 2124, 2242, 2994, 3363, 4484, 4491, 5988, 6726, 8982, 9481, 10089, 13452, 17964, 18962, 20178, 28443, 29441, 37924, 40356, 56886, 58882, 85329, 88323, 113772, 117764, 170658, 176646, 264969, 341316, 353292, 529938, 559379, 1059876, 1118758, 1678137, 2237516, 3356274, 5034411, 6712548, 10068822, 20137644]

約数ペア:

[(1, 20137644), (2, 10068822), (3, 6712548), (4, 5034411), (6, 3356274), (9, 2237516), (12, 1678137), (18, 1118758), (19, 1059876), (36, 559379), (38, 529938), (57, 353292), (59, 341316), (76, 264969), (114, 176646), (118, 170658), (171, 117764), (177, 113772), (228, 88323), (236, 85329), (342, 58882), (354, 56886), (499, 40356), (531, 37924), (684, 29441), (708, 28443), (998, 20178), (1062, 18962), (1121, 17964), (1497, 13452), (1996, 10089), (2124, 9481), (2242, 8982), (2994, 6726), (3363, 5988), (4484, 4491)]