20913662

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 18519298

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 973, 977, 1529, 1946, 1954, 3058, 6839, 10703, 10747, 13678, 21406, 21494, 75229, 135803, 150458, 271606, 950621, 1493833, 1901242, 2987666, 10456831, 20913662]

約数ペア:

[(1, 20913662), (2, 10456831), (7, 2987666), (11, 1901242), (14, 1493833), (22, 950621), (77, 271606), (139, 150458), (154, 135803), (278, 75229), (973, 21494), (977, 21406), (1529, 13678), (1946, 10747), (1954, 10703), (3058, 6839)]