20156821636

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17558207}}^1$

素因数の和:17558259

約数の個数: 24

約数和(自身を含む): 41296905216

約数和(自身を除く): 21140083580

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17558207, 35116414, 70232828, 122907449, 245814898, 491629796, 719886487, 1439772974, 2879545948, 5039205409, 10078410818, 20156821636]

約数ペア:

[(1, 20156821636), (2, 10078410818), (4, 5039205409), (7, 2879545948), (14, 1439772974), (28, 719886487), (41, 491629796), (82, 245814898), (164, 122907449), (287, 70232828), (574, 35116414), (1148, 17558207)]