20586168

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2087}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 56188080

約数和(自身を除く): 35601912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2087, 2466, 3288, 4174, 4932, 6261, 8348, 9864, 12522, 16696, 18783, 25044, 37566, 50088, 75132, 150264, 285919, 571838, 857757, 1143676, 1715514, 2287352, 2573271, 3431028, 5146542, 6862056, 10293084, 20586168]

約数ペア:

[(1, 20586168), (2, 10293084), (3, 6862056), (4, 5146542), (6, 3431028), (8, 2573271), (9, 2287352), (12, 1715514), (18, 1143676), (24, 857757), (36, 571838), (72, 285919), (137, 150264), (274, 75132), (411, 50088), (548, 37566), (822, 25044), (1096, 18783), (1233, 16696), (1644, 12522), (2087, 9864), (2466, 8348), (3288, 6261), (4174, 4932)]