20903146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7253}}^1$

素因数の和:7397

約数の個数: 16

約数和(自身を含む): 34471008

約数和(自身を除く): 13567862

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7253, 14506, 79783, 159566, 950143, 1900286, 10451573, 20903146]

約数ペア:

[(1, 20903146), (2, 10451573), (11, 1900286), (22, 950143), (131, 159566), (262, 79783), (1441, 14506), (2882, 7253)]