20121648035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1\times {\mathrm{2053}}^1$

素因数の和:3863

約数の個数: 32

約数和(自身を含む): 25975639872

約数和(自身を除く): 5853991837

約数列:

[1, 5, 17, 67, 85, 335, 1139, 1721, 2053, 5695, 8605, 10265, 29257, 34901, 115307, 137551, 146285, 174505, 576535, 687755, 1960219, 2338367, 3533213, 9801095, 11691835, 17666065, 60064621, 236725271, 300323105, 1183626355, 4024329607, 20121648035]

約数ペア:

[(1, 20121648035), (5, 4024329607), (17, 1183626355), (67, 300323105), (85, 236725271), (335, 60064621), (1139, 17666065), (1721, 11691835), (2053, 9801095), (5695, 3533213), (8605, 2338367), (10265, 1960219), (29257, 687755), (34901, 576535), (115307, 174505), (137551, 146285)]