20625360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12277}}^1$

素因数の和:12300

約数の個数: 80

約数和(自身を含む): 73078656

約数和(自身を除く): 52453296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12277, 24554, 36831, 49108, 61385, 73662, 85939, 98216, 122770, 147324, 171878, 184155, 196432, 245540, 257817, 294648, 343756, 368310, 429695, 491080, 515634, 589296, 687512, 736620, 859390, 982160, 1031268, 1289085, 1375024, 1473240, 1718780, 2062536, 2578170, 2946480, 3437560, 4125072, 5156340, 6875120, 10312680, 20625360]

約数ペア:

[(1, 20625360), (2, 10312680), (3, 6875120), (4, 5156340), (5, 4125072), (6, 3437560), (7, 2946480), (8, 2578170), (10, 2062536), (12, 1718780), (14, 1473240), (15, 1375024), (16, 1289085), (20, 1031268), (21, 982160), (24, 859390), (28, 736620), (30, 687512), (35, 589296), (40, 515634), (42, 491080), (48, 429695), (56, 368310), (60, 343756), (70, 294648), (80, 257817), (84, 245540), (105, 196432), (112, 184155), (120, 171878), (140, 147324), (168, 122770), (210, 98216), (240, 85939), (280, 73662), (336, 61385), (420, 49108), (560, 36831), (840, 24554), (1680, 12277)]