20581246

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6151}}^1$

素因数の和:6399

約数の個数: 16

約数和(自身を含む): 35435520

約数和(自身を除く): 14854274

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6151, 12302, 43057, 86114, 1470089, 2940178, 10290623, 20581246]

約数ペア:

[(1, 20581246), (2, 10290623), (7, 2940178), (14, 1470089), (239, 86114), (478, 43057), (1673, 12302), (3346, 6151)]