20976960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21851}}^1$

素因数の和:21871

約数の個数: 56

約数和(自身を含む): 66604896

約数和(自身を除く): 45627936

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, 21851, 43702, 65553, 87404, 109255, 131106, 174808, 218510, 262212, 327765, 349616, 437020, 524424, 655530, 699232, 874040, 1048848, 1311060, 1398464, 1748080, 2097696, 2622120, 3496160, 4195392, 5244240, 6992320, 10488480, 20976960]

約数ペア:

[(1, 20976960), (2, 10488480), (3, 6992320), (4, 5244240), (5, 4195392), (6, 3496160), (8, 2622120), (10, 2097696), (12, 1748080), (15, 1398464), (16, 1311060), (20, 1048848), (24, 874040), (30, 699232), (32, 655530), (40, 524424), (48, 437020), (60, 349616), (64, 327765), (80, 262212), (96, 218510), (120, 174808), (160, 131106), (192, 109255), (240, 87404), (320, 65553), (480, 43702), (960, 21851)]