20404388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1499}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16639612

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 1499, 2998, 3403, 5996, 6806, 13612, 61459, 122918, 124417, 245836, 248834, 497668, 5101097, 10202194, 20404388]

約数ペア:

[(1, 20404388), (2, 10202194), (4, 5101097), (41, 497668), (82, 248834), (83, 245836), (164, 124417), (166, 122918), (332, 61459), (1499, 13612), (2998, 6806), (3403, 5996)]