20157489939

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{8117}}^1$

素因数の和:8411

約数の個数: 32

約数和(自身を含む): 27775249920

約数和(自身を除く): 7617759981

約数列:

[1, 3, 71, 89, 131, 213, 267, 393, 6319, 8117, 9301, 11659, 18957, 24351, 27903, 34977, 576307, 722413, 827789, 1063327, 1728921, 2167239, 2483367, 3189981, 51291323, 75496217, 94636103, 153873969, 226488651, 283908309, 6719163313, 20157489939]

約数ペア:

[(1, 20157489939), (3, 6719163313), (71, 283908309), (89, 226488651), (131, 153873969), (213, 94636103), (267, 75496217), (393, 51291323), (6319, 3189981), (8117, 2483367), (9301, 2167239), (11659, 1728921), (18957, 1063327), (24351, 827789), (27903, 722413), (34977, 576307)]