20888973120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21759347}}^1$

素因数の和:21759367

約数の個数: 56

約数和(自身を含む): 66322492704

約数和(自身を除く): 45433519584

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, 21759347, 43518694, 65278041, 87037388, 108796735, 130556082, 174074776, 217593470, 261112164, 326390205, 348149552, 435186940, 522224328, 652780410, 696299104, 870373880, 1044448656, 1305560820, 1392598208, 1740747760, 2088897312, 2611121640, 3481495520, 4177794624, 5222243280, 6962991040, 10444486560, 20888973120]

約数ペア:

[(1, 20888973120), (2, 10444486560), (3, 6962991040), (4, 5222243280), (5, 4177794624), (6, 3481495520), (8, 2611121640), (10, 2088897312), (12, 1740747760), (15, 1392598208), (16, 1305560820), (20, 1044448656), (24, 870373880), (30, 696299104), (32, 652780410), (40, 522224328), (48, 435186940), (60, 348149552), (64, 326390205), (80, 261112164), (96, 217593470), (120, 174074776), (160, 130556082), (192, 108796735), (240, 87037388), (320, 65278041), (480, 43518694), (960, 21759347)]