20951810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190471}}^1$

素因数の和:190489

約数の個数: 16

約数和(自身を含む): 41141952

約数和(自身を除く): 20190142

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190471, 380942, 952355, 1904710, 2095181, 4190362, 10475905, 20951810]

約数ペア:

[(1, 20951810), (2, 10475905), (5, 4190362), (10, 2095181), (11, 1904710), (22, 952355), (55, 380942), (110, 190471)]