20886085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{947}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 27438912

約数和(自身を除く): 6552827

約数列:

[1, 5, 11, 55, 401, 947, 2005, 4411, 4735, 10417, 22055, 52085, 379747, 1898735, 4177217, 20886085]

約数ペア:

[(1, 20886085), (5, 4177217), (11, 1898735), (55, 379747), (401, 52085), (947, 22055), (2005, 10417), (4411, 4735)]