20690658

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 47736000

約数和(自身を除く): 27045342

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 101, 114, 171, 202, 303, 342, 599, 606, 909, 1198, 1797, 1818, 1919, 3594, 3838, 5391, 5757, 10782, 11381, 11514, 17271, 22762, 34143, 34542, 60499, 68286, 102429, 120998, 181497, 204858, 362994, 544491, 1088982, 1149481, 2298962, 3448443, 6896886, 10345329, 20690658]

約数ペア:

[(1, 20690658), (2, 10345329), (3, 6896886), (6, 3448443), (9, 2298962), (18, 1149481), (19, 1088982), (38, 544491), (57, 362994), (101, 204858), (114, 181497), (171, 120998), (202, 102429), (303, 68286), (342, 60499), (599, 34542), (606, 34143), (909, 22762), (1198, 17271), (1797, 11514), (1818, 11381), (1919, 10782), (3594, 5757), (3838, 5391)]