20906563153

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1\times {\mathrm{54217}}^1$

素因数の和:56032

約数の個数: 16

約数和(自身を含む): 24678298624

約数和(自身を除く): 3771735471

約数列:

[1, 7, 31, 217, 1777, 12439, 54217, 55087, 379519, 385609, 1680727, 11765089, 96343609, 674405263, 2986651879, 20906563153]

約数ペア:

[(1, 20906563153), (7, 2986651879), (31, 674405263), (217, 96343609), (1777, 11765089), (12439, 1680727), (54217, 385609), (55087, 379519)]