20287848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 58354560

約数和(自身を除く): 38066712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 613, 788, 1182, 1226, 1379, 1576, 1839, 2364, 2452, 2758, 3678, 4137, 4291, 4728, 4904, 5516, 7356, 8274, 8582, 11032, 12873, 14712, 16548, 17164, 25746, 33096, 34328, 51492, 102984, 120761, 241522, 362283, 483044, 724566, 845327, 966088, 1449132, 1690654, 2535981, 2898264, 3381308, 5071962, 6762616, 10143924, 20287848]

約数ペア:

[(1, 20287848), (2, 10143924), (3, 6762616), (4, 5071962), (6, 3381308), (7, 2898264), (8, 2535981), (12, 1690654), (14, 1449132), (21, 966088), (24, 845327), (28, 724566), (42, 483044), (56, 362283), (84, 241522), (168, 120761), (197, 102984), (394, 51492), (591, 34328), (613, 33096), (788, 25746), (1182, 17164), (1226, 16548), (1379, 14712), (1576, 12873), (1839, 11032), (2364, 8582), (2452, 8274), (2758, 7356), (3678, 5516), (4137, 4904), (4291, 4728)]