20257874

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15930

約数の個数: 24

約数和(自身を含む): 38069388

約数和(自身を除く): 17811514

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 15901, 31802, 111307, 206713, 222614, 413426, 779149, 1446991, 1558298, 2893982, 10128937, 20257874]

約数ペア:

[(1, 20257874), (2, 10128937), (7, 2893982), (13, 1558298), (14, 1446991), (26, 779149), (49, 413426), (91, 222614), (98, 206713), (182, 111307), (637, 31802), (1274, 15901)]