20886720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21757}}^1$

素因数の和:21777

約数の個数: 56

約数和(自身を含む): 66318384

約数和(自身を除く): 45431664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21757, 43514, 65271, 87028, 108785, 130542, 174056, 217570, 261084, 326355, 348112, 435140, 522168, 652710, 696224, 870280, 1044336, 1305420, 1392448, 1740560, 2088672, 2610840, 3481120, 4177344, 5221680, 6962240, 10443360, 20886720]

約数ペア:

[(1, 20886720), (2, 10443360), (3, 6962240), (4, 5221680), (5, 4177344), (6, 3481120), (8, 2610840), (10, 2088672), (12, 1740560), (15, 1392448), (16, 1305420), (20, 1044336), (24, 870280), (30, 696224), (32, 652710), (40, 522168), (48, 435140), (60, 348112), (64, 326355), (80, 261084), (96, 217570), (120, 174056), (160, 130542), (192, 108785), (240, 87028), (320, 65271), (480, 43514), (960, 21757)]