20527619

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 26634960

約数和(自身を除く): 6107341

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1297, 2261, 9079, 15827, 22049, 24643, 63553, 154343, 172501, 418931, 1080401, 1207507, 2932517, 20527619]

約数ペア:

[(1, 20527619), (7, 2932517), (17, 1207507), (19, 1080401), (49, 418931), (119, 172501), (133, 154343), (323, 63553), (833, 24643), (931, 22049), (1297, 15827), (2261, 9079)]