20564841

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4127}}^1$

素因数の和:4292

約数の個数: 16

約数和(自身を含む): 30117888

約数和(自身を除く): 9553047

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4127, 4983, 12381, 45397, 136191, 623177, 1869531, 6854947, 20564841]

約数ペア:

[(1, 20564841), (3, 6854947), (11, 1869531), (33, 623177), (151, 136191), (453, 45397), (1661, 12381), (4127, 4983)]