20512223060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1\times {\mathrm{937}}^1$

素因数の和:1801

約数の個数: 96

約数和(自身を含む): 49549452288

約数和(自身を除く): 29037229228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 577, 937, 1084, 1154, 1355, 1874, 1897, 2308, 2710, 2885, 3748, 3794, 4039, 4685, 5420, 5770, 6559, 7588, 8078, 9370, 9485, 11540, 13118, 16156, 18740, 18970, 20195, 26236, 32795, 37940, 40390, 65590, 80780, 131180, 156367, 253927, 312734, 507854, 540649, 625468, 781835, 1015708, 1081298, 1094569, 1269635, 1563670, 1777489, 2162596, 2189138, 2539270, 2703245, 3127340, 3554978, 3784543, 4378276, 5078540, 5406490, 5472845, 7109956, 7569086, 8887445, 10812980, 10945690, 15138172, 17774890, 18922715, 21891380, 35549780, 37845430, 75690860, 146515879, 293031758, 586063516, 732579395, 1025611153, 1465158790, 2051222306, 2930317580, 4102444612, 5128055765, 10256111530, 20512223060]

約数ペア:

[(1, 20512223060), (2, 10256111530), (4, 5128055765), (5, 4102444612), (7, 2930317580), (10, 2051222306), (14, 1465158790), (20, 1025611153), (28, 732579395), (35, 586063516), (70, 293031758), (140, 146515879), (271, 75690860), (542, 37845430), (577, 35549780), (937, 21891380), (1084, 18922715), (1154, 17774890), (1355, 15138172), (1874, 10945690), (1897, 10812980), (2308, 8887445), (2710, 7569086), (2885, 7109956), (3748, 5472845), (3794, 5406490), (4039, 5078540), (4685, 4378276), (5420, 3784543), (5770, 3554978), (6559, 3127340), (7588, 2703245), (8078, 2539270), (9370, 2189138), (9485, 2162596), (11540, 1777489), (13118, 1563670), (16156, 1269635), (18740, 1094569), (18970, 1081298), (20195, 1015708), (26236, 781835), (32795, 625468), (37940, 540649), (40390, 507854), (65590, 312734), (80780, 253927), (131180, 156367)]