20050760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 25430200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3947, 5080, 7894, 15788, 19735, 31576, 39470, 78940, 157880, 501269, 1002538, 2005076, 2506345, 4010152, 5012690, 10025380, 20050760]

約数ペア:

[(1, 20050760), (2, 10025380), (4, 5012690), (5, 4010152), (8, 2506345), (10, 2005076), (20, 1002538), (40, 501269), (127, 157880), (254, 78940), (508, 39470), (635, 31576), (1016, 19735), (1270, 15788), (2540, 7894), (3947, 5080)]