20768691

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 29650944

約数和(自身を除く): 8882253

約数列:

[1, 3, 19, 57, 127, 151, 361, 381, 453, 1083, 2413, 2869, 7239, 8607, 19177, 45847, 54511, 57531, 137541, 163533, 364363, 1093089, 6922897, 20768691]

約数ペア:

[(1, 20768691), (3, 6922897), (19, 1093089), (57, 364363), (127, 163533), (151, 137541), (361, 57531), (381, 54511), (453, 45847), (1083, 19177), (2413, 8607), (2869, 7239)]