20450204

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 37406208

約数和(自身を除く): 16956004

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 1987, 2573, 3974, 5146, 7948, 10292, 61597, 123194, 164921, 246388, 329842, 659684, 5112551, 10225102, 20450204]

約数ペア:

[(1, 20450204), (2, 10225102), (4, 5112551), (31, 659684), (62, 329842), (83, 246388), (124, 164921), (166, 123194), (332, 61597), (1987, 10292), (2573, 7948), (3974, 5146)]