20199256245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{204871}}^1$

素因数の和:205202

約数の個数: 48

約数和(自身を含む): 40141800192

約数和(自身を除く): 19942543947

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 313, 315, 939, 1565, 2191, 2817, 4695, 6573, 10955, 14085, 19719, 32865, 98595, 204871, 614613, 1024355, 1434097, 1843839, 3073065, 4302291, 7170485, 9219195, 12906873, 21511455, 64124623, 64534365, 192373869, 320623115, 448872361, 577121607, 961869345, 1346617083, 2244361805, 2885608035, 4039851249, 6733085415, 20199256245]

約数ペア:

[(1, 20199256245), (3, 6733085415), (5, 4039851249), (7, 2885608035), (9, 2244361805), (15, 1346617083), (21, 961869345), (35, 577121607), (45, 448872361), (63, 320623115), (105, 192373869), (313, 64534365), (315, 64124623), (939, 21511455), (1565, 12906873), (2191, 9219195), (2817, 7170485), (4695, 4302291), (6573, 3073065), (10955, 1843839), (14085, 1434097), (19719, 1024355), (32865, 614613), (98595, 204871)]