20886420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 58963968

約数和(自身を除く): 38077548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2741, 3810, 5482, 7620, 8223, 10964, 13705, 16446, 27410, 32892, 41115, 54820, 82230, 164460, 348107, 696214, 1044321, 1392428, 1740535, 2088642, 3481070, 4177284, 5221605, 6962140, 10443210, 20886420]

約数ペア:

[(1, 20886420), (2, 10443210), (3, 6962140), (4, 5221605), (5, 4177284), (6, 3481070), (10, 2088642), (12, 1740535), (15, 1392428), (20, 1044321), (30, 696214), (60, 348107), (127, 164460), (254, 82230), (381, 54820), (508, 41115), (635, 32892), (762, 27410), (1270, 16446), (1524, 13705), (1905, 10964), (2540, 8223), (2741, 7620), (3810, 5482)]