20869738

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 32316480

約数和(自身を除く): 11446742

約数列:

[1, 2, 41, 82, 139, 278, 1831, 3662, 5699, 11398, 75071, 150142, 254509, 509018, 10434869, 20869738]

約数ペア:

[(1, 20869738), (2, 10434869), (41, 509018), (82, 254509), (139, 150142), (278, 75071), (1831, 11398), (3662, 5699)]