20138188

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7121}}^1$

素因数の和:7233

約数の個数: 24

約数和(自身を含む): 40680864

約数和(自身を除く): 20542676

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7121, 14242, 28484, 49847, 99694, 199388, 719221, 1438442, 2876884, 5034547, 10069094, 20138188]

約数ペア:

[(1, 20138188), (2, 10069094), (4, 5034547), (7, 2876884), (14, 1438442), (28, 719221), (101, 199388), (202, 99694), (404, 49847), (707, 28484), (1414, 14242), (2828, 7121)]