20789352

素因数分解:

$2^3\times 3^3\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 58344000

約数和(自身を除く): 37554648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 109, 216, 218, 327, 436, 654, 872, 883, 981, 1308, 1766, 1962, 2616, 2649, 2943, 3532, 3924, 5298, 5886, 7064, 7848, 7947, 10596, 11772, 15894, 21192, 23544, 23841, 31788, 47682, 63576, 95364, 96247, 190728, 192494, 288741, 384988, 577482, 769976, 866223, 1154964, 1732446, 2309928, 2598669, 3464892, 5197338, 6929784, 10394676, 20789352]

約数ペア:

[(1, 20789352), (2, 10394676), (3, 6929784), (4, 5197338), (6, 3464892), (8, 2598669), (9, 2309928), (12, 1732446), (18, 1154964), (24, 866223), (27, 769976), (36, 577482), (54, 384988), (72, 288741), (108, 192494), (109, 190728), (216, 96247), (218, 95364), (327, 63576), (436, 47682), (654, 31788), (872, 23841), (883, 23544), (981, 21192), (1308, 15894), (1766, 11772), (1962, 10596), (2616, 7947), (2649, 7848), (2943, 7064), (3532, 5886), (3924, 5298)]