20631900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 60395440

約数和(自身を除く): 39763540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 709, 970, 1164, 1418, 1455, 1940, 2127, 2425, 2836, 2910, 3545, 4254, 4850, 5820, 7090, 7275, 8508, 9700, 10635, 14180, 14550, 17725, 21270, 29100, 35450, 42540, 53175, 68773, 70900, 106350, 137546, 206319, 212700, 275092, 343865, 412638, 687730, 825276, 1031595, 1375460, 1719325, 2063190, 3438650, 4126380, 5157975, 6877300, 10315950, 20631900]

約数ペア:

[(1, 20631900), (2, 10315950), (3, 6877300), (4, 5157975), (5, 4126380), (6, 3438650), (10, 2063190), (12, 1719325), (15, 1375460), (20, 1031595), (25, 825276), (30, 687730), (50, 412638), (60, 343865), (75, 275092), (97, 212700), (100, 206319), (150, 137546), (194, 106350), (291, 70900), (300, 68773), (388, 53175), (485, 42540), (582, 35450), (709, 29100), (970, 21270), (1164, 17725), (1418, 14550), (1455, 14180), (1940, 10635), (2127, 9700), (2425, 8508), (2836, 7275), (2910, 7090), (3545, 5820), (4254, 4850)]