20884477680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2636929}}^1$

素因数の和:2636959

約数の個数: 120

約数和(自身を含む): 76513160880

約数和(自身を除く): 55628683200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 2636929, 5273858, 7910787, 10547716, 13184645, 15821574, 21095432, 23732361, 26369290, 29006219, 31643148, 39553935, 42190864, 47464722, 52738580, 58012438, 63286296, 79107870, 87018657, 94929444, 105477160, 116024876, 118661805, 126572592, 145031095, 158215740, 174037314, 189858888, 210954320, 232049752, 237323610, 261055971, 290062190, 316431480, 348074628, 379717776, 435093285, 464099504, 474647220, 522111942, 580124380, 632862960, 696149256, 870186570, 949294440, 1044223884, 1160248760, 1305279855, 1392298512, 1740373140, 1898588880, 2088447768, 2320497520, 2610559710, 3480746280, 4176895536, 5221119420, 6961492560, 10442238840, 20884477680]

約数ペア:

[(1, 20884477680), (2, 10442238840), (3, 6961492560), (4, 5221119420), (5, 4176895536), (6, 3480746280), (8, 2610559710), (9, 2320497520), (10, 2088447768), (11, 1898588880), (12, 1740373140), (15, 1392298512), (16, 1305279855), (18, 1160248760), (20, 1044223884), (22, 949294440), (24, 870186570), (30, 696149256), (33, 632862960), (36, 580124380), (40, 522111942), (44, 474647220), (45, 464099504), (48, 435093285), (55, 379717776), (60, 348074628), (66, 316431480), (72, 290062190), (80, 261055971), (88, 237323610), (90, 232049752), (99, 210954320), (110, 189858888), (120, 174037314), (132, 158215740), (144, 145031095), (165, 126572592), (176, 118661805), (180, 116024876), (198, 105477160), (220, 94929444), (240, 87018657), (264, 79107870), (330, 63286296), (360, 58012438), (396, 52738580), (440, 47464722), (495, 42190864), (528, 39553935), (660, 31643148), (720, 29006219), (792, 26369290), (880, 23732361), (990, 21095432), (1320, 15821574), (1584, 13184645), (1980, 10547716), (2640, 7910787), (3960, 5273858), (7920, 2636929)]