20454874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7321}}^1$

素因数の和:7461

約数の個数: 16

約数和(自身を含む): 33739776

約数和(自身を除く): 13284902

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7321, 14642, 80531, 161062, 929767, 1859534, 10227437, 20454874]

約数ペア:

[(1, 20454874), (2, 10227437), (11, 1859534), (22, 929767), (127, 161062), (254, 80531), (1397, 14642), (2794, 7321)]