20074761

素因数分解:

$3^2\times 7^4\times {\mathrm{929}}^1$

素因数の和:963

約数の個数: 30

約数和(自身を含む): 33864090

約数和(自身を除く): 13789329

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 929, 1029, 2401, 2787, 3087, 6503, 7203, 8361, 19509, 21609, 45521, 58527, 136563, 318647, 409689, 955941, 2230529, 2867823, 6691587, 20074761]

約数ペア:

[(1, 20074761), (3, 6691587), (7, 2867823), (9, 2230529), (21, 955941), (49, 409689), (63, 318647), (147, 136563), (343, 58527), (441, 45521), (929, 21609), (1029, 19509), (2401, 8361), (2787, 7203), (3087, 6503)]