20105257319

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{3659}}^1\times {\mathrm{7621}}^1$

素因数の和:11390

約数の個数: 16

約数和(自身を含む): 23209904640

約数和(自身を除く): 3104647321

約数列:

[1, 7, 103, 721, 3659, 7621, 25613, 53347, 376877, 784963, 2638139, 5494741, 27885239, 195196673, 2872179617, 20105257319]

約数ペア:

[(1, 20105257319), (7, 2872179617), (103, 195196673), (721, 27885239), (3659, 5494741), (7621, 2638139), (25613, 784963), (53347, 376877)]