20901146

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1074

約数の個数: 24

約数和(自身を含む): 36651456

約数和(自身を除く): 15750310

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 787, 1574, 1897, 3794, 5509, 11018, 13279, 26558, 38563, 77126, 213277, 426554, 1492939, 2985878, 10450573, 20901146]

約数ペア:

[(1, 20901146), (2, 10450573), (7, 2985878), (14, 1492939), (49, 426554), (98, 213277), (271, 77126), (542, 38563), (787, 26558), (1574, 13279), (1897, 11018), (3794, 5509)]