20849026

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:978

約数の個数: 24

約数和(自身を含む): 34756092

約数和(自身を除く): 13907066

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 853, 1111, 1706, 2222, 9383, 12221, 18766, 24442, 86153, 103213, 172306, 206426, 947683, 1895366, 10424513, 20849026]

約数ペア:

[(1, 20849026), (2, 10424513), (11, 1895366), (22, 947683), (101, 206426), (121, 172306), (202, 103213), (242, 86153), (853, 24442), (1111, 18766), (1706, 12221), (2222, 9383)]