20903716

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{797}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 16634204

約数列:

[1, 2, 4, 79, 83, 158, 166, 316, 332, 797, 1594, 3188, 6557, 13114, 26228, 62963, 66151, 125926, 132302, 251852, 264604, 5225929, 10451858, 20903716]

約数ペア:

[(1, 20903716), (2, 10451858), (4, 5225929), (79, 264604), (83, 251852), (158, 132302), (166, 125926), (316, 66151), (332, 62963), (797, 26228), (1594, 13114), (3188, 6557)]