20746817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13411}}^1$

素因数の和:13448

約数の個数: 16

約数和(自身を含む): 27038592

約数和(自身を除く): 6291775

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13411, 93877, 174343, 227987, 1220401, 1595909, 2963831, 20746817]

約数ペア:

[(1, 20746817), (7, 2963831), (13, 1595909), (17, 1220401), (91, 227987), (119, 174343), (221, 93877), (1547, 13411)]