20196480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 65753280

約数和(自身を除く): 45556800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 157, 160, 192, 201, 240, 268, 314, 320, 335, 384, 402, 471, 480, 536, 628, 640, 670, 785, 804, 942, 960, 1005, 1072, 1256, 1340, 1570, 1608, 1884, 1920, 2010, 2144, 2355, 2512, 2680, 3140, 3216, 3768, 4020, 4288, 4710, 5024, 5360, 6280, 6432, 7536, 8040, 8576, 9420, 10048, 10519, 10720, 12560, 12864, 15072, 16080, 18840, 20096, 21038, 21440, 25120, 25728, 30144, 31557, 32160, 37680, 42076, 42880, 50240, 52595, 60288, 63114, 64320, 75360, 84152, 100480, 105190, 126228, 128640, 150720, 157785, 168304, 210380, 252456, 301440, 315570, 336608, 420760, 504912, 631140, 673216, 841520, 1009824, 1262280, 1346432, 1683040, 2019648, 2524560, 3366080, 4039296, 5049120, 6732160, 10098240, 20196480]

約数ペア:

[(1, 20196480), (2, 10098240), (3, 6732160), (4, 5049120), (5, 4039296), (6, 3366080), (8, 2524560), (10, 2019648), (12, 1683040), (15, 1346432), (16, 1262280), (20, 1009824), (24, 841520), (30, 673216), (32, 631140), (40, 504912), (48, 420760), (60, 336608), (64, 315570), (67, 301440), (80, 252456), (96, 210380), (120, 168304), (128, 157785), (134, 150720), (157, 128640), (160, 126228), (192, 105190), (201, 100480), (240, 84152), (268, 75360), (314, 64320), (320, 63114), (335, 60288), (384, 52595), (402, 50240), (471, 42880), (480, 42076), (536, 37680), (628, 32160), (640, 31557), (670, 30144), (785, 25728), (804, 25120), (942, 21440), (960, 21038), (1005, 20096), (1072, 18840), (1256, 16080), (1340, 15072), (1570, 12864), (1608, 12560), (1884, 10720), (1920, 10519), (2010, 10048), (2144, 9420), (2355, 8576), (2512, 8040), (2680, 7536), (3140, 6432), (3216, 6280), (3768, 5360), (4020, 5024), (4288, 4710)]