20716982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4304

約数の個数: 32

約数和(自身を含む): 38664864

約数和(自身を除く): 17947882

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4261, 4862, 8522, 46871, 55393, 72437, 93742, 110786, 144874, 609323, 796807, 941681, 1218646, 1593614, 1883362, 10358491, 20716982]

約数ペア:

[(1, 20716982), (2, 10358491), (11, 1883362), (13, 1593614), (17, 1218646), (22, 941681), (26, 796807), (34, 609323), (143, 144874), (187, 110786), (221, 93742), (286, 72437), (374, 55393), (442, 46871), (2431, 8522), (4261, 4862)]