20686072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{235069}}^1$

素因数の和:235086

約数の個数: 16

約数和(自身を含む): 42312600

約数和(自身を除く): 21626528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 235069, 470138, 940276, 1880552, 2585759, 5171518, 10343036, 20686072]

約数ペア:

[(1, 20686072), (2, 10343036), (4, 5171518), (8, 2585759), (11, 1880552), (22, 940276), (44, 470138), (88, 235069)]