20687598

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4241}}^1$

素因数の和:4520

約数の個数: 24

約数和(自身を含む): 44999136

約数和(自身を除く): 24311538

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4241, 4878, 8482, 12723, 25446, 38169, 76338, 1149311, 2298622, 3447933, 6895866, 10343799, 20687598]

約数ペア:

[(1, 20687598), (2, 10343799), (3, 6895866), (6, 3447933), (9, 2298622), (18, 1149311), (271, 76338), (542, 38169), (813, 25446), (1626, 12723), (2439, 8482), (4241, 4878)]