20247496

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 39441600

約数和(自身を除く): 19194104

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 829, 1658, 3053, 3316, 6106, 6632, 12212, 24424, 35647, 58859, 71294, 117718, 142588, 235436, 285176, 470872, 2530937, 5061874, 10123748, 20247496]

約数ペア:

[(1, 20247496), (2, 10123748), (4, 5061874), (8, 2530937), (43, 470872), (71, 285176), (86, 235436), (142, 142588), (172, 117718), (284, 71294), (344, 58859), (568, 35647), (829, 24424), (1658, 12212), (3053, 6632), (3316, 6106)]