20170684807

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{20341}}^1$

素因数の和:21019

約数の個数: 32

約数和(自身を含む): 26328081024

約数和(自身を除く): 6157396217

約数列:

[1, 7, 13, 17, 91, 119, 221, 641, 1547, 4487, 8333, 10897, 20341, 58331, 76279, 141661, 142387, 264433, 345797, 991627, 1851031, 2420579, 4495361, 13038581, 31467527, 91270067, 169501553, 221655877, 1186510871, 1551591139, 2881526401, 20170684807]

約数ペア:

[(1, 20170684807), (7, 2881526401), (13, 1551591139), (17, 1186510871), (91, 221655877), (119, 169501553), (221, 91270067), (641, 31467527), (1547, 13038581), (4487, 4495361), (8333, 2420579), (10897, 1851031), (20341, 991627), (58331, 345797), (76279, 264433), (141661, 142387)]