20983798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2069}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 34428240

約数和(自身を除く): 13444442

約数列:

[1, 2, 11, 22, 461, 922, 2069, 4138, 5071, 10142, 22759, 45518, 953809, 1907618, 10491899, 20983798]

約数ペア:

[(1, 20983798), (2, 10491899), (11, 1907618), (22, 953809), (461, 45518), (922, 22759), (2069, 10142), (4138, 5071)]