20802074825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{12163}}^1$

素因数の和:12546

約数の個数: 48

約数和(自身を含む): 30589054080

約数和(自身を除く): 9786979255

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 337, 725, 1015, 1685, 2359, 5075, 8425, 9773, 11795, 12163, 48865, 58975, 60815, 68411, 85141, 244325, 304075, 342055, 352727, 425705, 1710275, 1763635, 2128525, 2469089, 4098931, 8818175, 12345445, 20494655, 28692517, 61727225, 102473275, 118868999, 143462585, 594344995, 717312925, 832082993, 2971724975, 4160414965, 20802074825]

約数ペア:

[(1, 20802074825), (5, 4160414965), (7, 2971724975), (25, 832082993), (29, 717312925), (35, 594344995), (145, 143462585), (175, 118868999), (203, 102473275), (337, 61727225), (725, 28692517), (1015, 20494655), (1685, 12345445), (2359, 8818175), (5075, 4098931), (8425, 2469089), (9773, 2128525), (11795, 1763635), (12163, 1710275), (48865, 425705), (58975, 352727), (60815, 342055), (68411, 304075), (85141, 244325)]