20480464

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7151}}^1$

素因数の和:7338

約数の個数: 20

約数和(自身を含む): 39908160

約数和(自身を除く): 19427696

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7151, 14302, 28604, 57208, 114416, 1280029, 2560058, 5120116, 10240232, 20480464]

約数ペア:

[(1, 20480464), (2, 10240232), (4, 5120116), (8, 2560058), (16, 1280029), (179, 114416), (358, 57208), (716, 28604), (1432, 14302), (2864, 7151)]