20138072925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2137}}^1$

素因数の和:2575

約数の個数: 96

約数和(自身を含む): 37221724800

約数和(自身を除く): 17083651875

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 389, 425, 475, 969, 1167, 1275, 1425, 1615, 1945, 2137, 4845, 5835, 6411, 6613, 7391, 8075, 9725, 10685, 19839, 22173, 24225, 29175, 32055, 33065, 36329, 36955, 40603, 53425, 99195, 108987, 110865, 121809, 125647, 160275, 165325, 181645, 184775, 203015, 376941, 495975, 544935, 554325, 609045, 628235, 690251, 831293, 908225, 1015075, 1884705, 2070753, 2493879, 2724675, 3045225, 3141175, 3451255, 4156465, 9423525, 10353765, 12469395, 14131981, 15794567, 17256275, 20782325, 42395943, 47383701, 51768825, 62346975, 70659905, 78972835, 211979715, 236918505, 268507639, 353299525, 394864175, 805522917, 1059898575, 1184592525, 1342538195, 4027614585, 6712690975, 20138072925]

約数ペア:

[(1, 20138072925), (3, 6712690975), (5, 4027614585), (15, 1342538195), (17, 1184592525), (19, 1059898575), (25, 805522917), (51, 394864175), (57, 353299525), (75, 268507639), (85, 236918505), (95, 211979715), (255, 78972835), (285, 70659905), (323, 62346975), (389, 51768825), (425, 47383701), (475, 42395943), (969, 20782325), (1167, 17256275), (1275, 15794567), (1425, 14131981), (1615, 12469395), (1945, 10353765), (2137, 9423525), (4845, 4156465), (5835, 3451255), (6411, 3141175), (6613, 3045225), (7391, 2724675), (8075, 2493879), (9725, 2070753), (10685, 1884705), (19839, 1015075), (22173, 908225), (24225, 831293), (29175, 690251), (32055, 628235), (33065, 609045), (36329, 554325), (36955, 544935), (40603, 495975), (53425, 376941), (99195, 203015), (108987, 184775), (110865, 181645), (121809, 165325), (125647, 160275)]