20858902275

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{431}}^1\times {\mathrm{5081}}^1$

素因数の和:5652

約数の個数: 48

約数和(自身を含む): 34845769728

約数和(自身を除く): 13986867453

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 431, 635, 1293, 1905, 2155, 3175, 5081, 6465, 9525, 10775, 15243, 25405, 32325, 54737, 76215, 127025, 164211, 273685, 381075, 645287, 821055, 1368425, 1935861, 2189911, 3226435, 4105275, 6569733, 9679305, 10949555, 16132175, 32848665, 48396525, 54747775, 164243325, 278118697, 834356091, 1390593485, 4171780455, 6952967425, 20858902275]

約数ペア:

[(1, 20858902275), (3, 6952967425), (5, 4171780455), (15, 1390593485), (25, 834356091), (75, 278118697), (127, 164243325), (381, 54747775), (431, 48396525), (635, 32848665), (1293, 16132175), (1905, 10949555), (2155, 9679305), (3175, 6569733), (5081, 4105275), (6465, 3226435), (9525, 2189911), (10775, 1935861), (15243, 1368425), (25405, 821055), (32325, 645287), (54737, 381075), (76215, 273685), (127025, 164211)]