20324040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 67651200

約数和(自身を除く): 47327160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 89, 110, 120, 132, 165, 173, 178, 220, 264, 267, 330, 346, 356, 440, 445, 519, 534, 660, 692, 712, 865, 890, 979, 1038, 1068, 1320, 1335, 1384, 1730, 1780, 1903, 1958, 2076, 2136, 2595, 2670, 2937, 3460, 3560, 3806, 3916, 4152, 4895, 5190, 5340, 5709, 5874, 6920, 7612, 7832, 9515, 9790, 10380, 10680, 11418, 11748, 14685, 15224, 15397, 19030, 19580, 20760, 22836, 23496, 28545, 29370, 30794, 38060, 39160, 45672, 46191, 57090, 58740, 61588, 76120, 76985, 92382, 114180, 117480, 123176, 153970, 169367, 184764, 228360, 230955, 307940, 338734, 369528, 461910, 508101, 615880, 677468, 846835, 923820, 1016202, 1354936, 1693670, 1847640, 2032404, 2540505, 3387340, 4064808, 5081010, 6774680, 10162020, 20324040]

約数ペア:

[(1, 20324040), (2, 10162020), (3, 6774680), (4, 5081010), (5, 4064808), (6, 3387340), (8, 2540505), (10, 2032404), (11, 1847640), (12, 1693670), (15, 1354936), (20, 1016202), (22, 923820), (24, 846835), (30, 677468), (33, 615880), (40, 508101), (44, 461910), (55, 369528), (60, 338734), (66, 307940), (88, 230955), (89, 228360), (110, 184764), (120, 169367), (132, 153970), (165, 123176), (173, 117480), (178, 114180), (220, 92382), (264, 76985), (267, 76120), (330, 61588), (346, 58740), (356, 57090), (440, 46191), (445, 45672), (519, 39160), (534, 38060), (660, 30794), (692, 29370), (712, 28545), (865, 23496), (890, 22836), (979, 20760), (1038, 19580), (1068, 19030), (1320, 15397), (1335, 15224), (1384, 14685), (1730, 11748), (1780, 11418), (1903, 10680), (1958, 10380), (2076, 9790), (2136, 9515), (2595, 7832), (2670, 7612), (2937, 6920), (3460, 5874), (3560, 5709), (3806, 5340), (3916, 5190), (4152, 4895)]