20828592

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1450

約数の個数: 60

約数和(自身を含む): 58870240

約数和(自身を除く): 38041648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1327, 1744, 1962, 2616, 2654, 3924, 3981, 5232, 5308, 7848, 7962, 10616, 11943, 15696, 15924, 21232, 23886, 31848, 47772, 63696, 95544, 144643, 191088, 289286, 433929, 578572, 867858, 1157144, 1301787, 1735716, 2314288, 2603574, 3471432, 5207148, 6942864, 10414296, 20828592]

約数ペア:

[(1, 20828592), (2, 10414296), (3, 6942864), (4, 5207148), (6, 3471432), (8, 2603574), (9, 2314288), (12, 1735716), (16, 1301787), (18, 1157144), (24, 867858), (36, 578572), (48, 433929), (72, 289286), (109, 191088), (144, 144643), (218, 95544), (327, 63696), (436, 47772), (654, 31848), (872, 23886), (981, 21232), (1308, 15924), (1327, 15696), (1744, 11943), (1962, 10616), (2616, 7962), (2654, 7848), (3924, 5308), (3981, 5232)]