20885700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6329}}^1$

素因数の和:6357

約数の個数: 72

約数和(自身を含む): 65933280

約数和(自身を除く): 45047580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6329, 12658, 18987, 25316, 31645, 37974, 63290, 69619, 75948, 94935, 126580, 139238, 158225, 189870, 208857, 278476, 316450, 348095, 379740, 417714, 474675, 632900, 696190, 835428, 949350, 1044285, 1392380, 1740475, 1898700, 2088570, 3480950, 4177140, 5221425, 6961900, 10442850, 20885700]

約数ペア:

[(1, 20885700), (2, 10442850), (3, 6961900), (4, 5221425), (5, 4177140), (6, 3480950), (10, 2088570), (11, 1898700), (12, 1740475), (15, 1392380), (20, 1044285), (22, 949350), (25, 835428), (30, 696190), (33, 632900), (44, 474675), (50, 417714), (55, 379740), (60, 348095), (66, 316450), (75, 278476), (100, 208857), (110, 189870), (132, 158225), (150, 139238), (165, 126580), (220, 94935), (275, 75948), (300, 69619), (330, 63290), (550, 37974), (660, 31645), (825, 25316), (1100, 18987), (1650, 12658), (3300, 6329)]