20548808

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4421}}^1$

素因数の和:4517

約数の個数: 32

約数和(自身を含む): 44573760

約数和(自身を除く): 24024952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4421, 4648, 8842, 17684, 30947, 35368, 61894, 123788, 247576, 366943, 733886, 1467772, 2568601, 2935544, 5137202, 10274404, 20548808]

約数ペア:

[(1, 20548808), (2, 10274404), (4, 5137202), (7, 2935544), (8, 2568601), (14, 1467772), (28, 733886), (56, 366943), (83, 247576), (166, 123788), (332, 61894), (581, 35368), (664, 30947), (1162, 17684), (2324, 8842), (4421, 4648)]