20962728

素因数分解:

$2^3\times 3^2\times {\mathrm{359}}^1\times {\mathrm{811}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 36039672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 359, 718, 811, 1077, 1436, 1622, 2154, 2433, 2872, 3231, 3244, 4308, 4866, 6462, 6488, 7299, 8616, 9732, 12924, 14598, 19464, 25848, 29196, 58392, 291149, 582298, 873447, 1164596, 1746894, 2329192, 2620341, 3493788, 5240682, 6987576, 10481364, 20962728]

約数ペア:

[(1, 20962728), (2, 10481364), (3, 6987576), (4, 5240682), (6, 3493788), (8, 2620341), (9, 2329192), (12, 1746894), (18, 1164596), (24, 873447), (36, 582298), (72, 291149), (359, 58392), (718, 29196), (811, 25848), (1077, 19464), (1436, 14598), (1622, 12924), (2154, 9732), (2433, 8616), (2872, 7299), (3231, 6488), (3244, 6462), (4308, 4866)]