20995512175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1169

約数の個数: 96

約数和(自身を含む): 30512047104

約数和(自身を除く): 9516534929

約数列:

[1, 5, 11, 25, 37, 43, 47, 55, 185, 215, 235, 275, 407, 473, 517, 925, 1021, 1075, 1175, 1591, 1739, 2021, 2035, 2365, 2585, 5105, 7955, 8695, 10105, 10175, 11231, 11825, 12925, 17501, 19129, 22231, 25525, 37777, 39775, 43475, 43903, 47987, 50525, 56155, 74777, 87505, 95645, 111155, 188885, 219515, 239935, 280775, 373885, 415547, 437525, 478225, 482933, 527857, 555775, 822547, 944425, 1097575, 1199675, 1624411, 1775519, 1869425, 2063441, 2077735, 2414665, 2639285, 4112735, 8122055, 8877595, 10317205, 10388675, 12073325, 13196425, 17868521, 19530709, 20563675, 22697851, 40610275, 44387975, 51586025, 76347317, 89342605, 97653545, 113489255, 381736585, 446713025, 488267725, 567446275, 839820487, 1908682925, 4199102435, 20995512175]

約数ペア:

[(1, 20995512175), (5, 4199102435), (11, 1908682925), (25, 839820487), (37, 567446275), (43, 488267725), (47, 446713025), (55, 381736585), (185, 113489255), (215, 97653545), (235, 89342605), (275, 76347317), (407, 51586025), (473, 44387975), (517, 40610275), (925, 22697851), (1021, 20563675), (1075, 19530709), (1175, 17868521), (1591, 13196425), (1739, 12073325), (2021, 10388675), (2035, 10317205), (2365, 8877595), (2585, 8122055), (5105, 4112735), (7955, 2639285), (8695, 2414665), (10105, 2077735), (10175, 2063441), (11231, 1869425), (11825, 1775519), (12925, 1624411), (17501, 1199675), (19129, 1097575), (22231, 944425), (25525, 822547), (37777, 555775), (39775, 527857), (43475, 482933), (43903, 478225), (47987, 437525), (50525, 415547), (56155, 373885), (74777, 280775), (87505, 239935), (95645, 219515), (111155, 188885)]