20271240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5119}}^1$

素因数の和:5147

約数の個数: 96

約数和(自身を含む): 71884800

約数和(自身を除く): 51613560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5119, 10238, 15357, 20476, 25595, 30714, 40952, 46071, 51190, 56309, 61428, 76785, 92142, 102380, 112618, 122856, 153570, 168927, 184284, 204760, 225236, 230355, 281545, 307140, 337854, 368568, 450472, 460710, 506781, 563090, 614280, 675708, 844635, 921420, 1013562, 1126180, 1351416, 1689270, 1842840, 2027124, 2252360, 2533905, 3378540, 4054248, 5067810, 6757080, 10135620, 20271240]

約数ペア:

[(1, 20271240), (2, 10135620), (3, 6757080), (4, 5067810), (5, 4054248), (6, 3378540), (8, 2533905), (9, 2252360), (10, 2027124), (11, 1842840), (12, 1689270), (15, 1351416), (18, 1126180), (20, 1013562), (22, 921420), (24, 844635), (30, 675708), (33, 614280), (36, 563090), (40, 506781), (44, 460710), (45, 450472), (55, 368568), (60, 337854), (66, 307140), (72, 281545), (88, 230355), (90, 225236), (99, 204760), (110, 184284), (120, 168927), (132, 153570), (165, 122856), (180, 112618), (198, 102380), (220, 92142), (264, 76785), (330, 61428), (360, 56309), (396, 51190), (440, 46071), (495, 40952), (660, 30714), (792, 25595), (990, 20476), (1320, 15357), (1980, 10238), (3960, 5119)]