20199089547

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{57223}}^1$

素因数の和:57680

約数の個数: 48

約数和(自身を含む): 35993438208

約数和(自身を除く): 15794348661

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 431, 819, 1293, 3017, 3879, 5603, 9051, 16809, 27153, 39221, 50427, 57223, 117663, 171669, 352989, 400561, 515007, 743899, 1201683, 2231697, 3605049, 5207293, 6695091, 15621879, 24663113, 46865637, 73989339, 172641791, 221968017, 320620469, 517925373, 961861407, 1553776119, 2244343283, 2885584221, 6733029849, 20199089547]

約数ペア:

[(1, 20199089547), (3, 6733029849), (7, 2885584221), (9, 2244343283), (13, 1553776119), (21, 961861407), (39, 517925373), (63, 320620469), (91, 221968017), (117, 172641791), (273, 73989339), (431, 46865637), (819, 24663113), (1293, 15621879), (3017, 6695091), (3879, 5207293), (5603, 3605049), (9051, 2231697), (16809, 1201683), (27153, 743899), (39221, 515007), (50427, 400561), (57223, 352989), (117663, 171669)]