20930836

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 16494188

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 503, 1006, 2012, 10403, 20806, 41612, 50803, 51809, 101606, 103618, 203212, 207236, 5232709, 10465418, 20930836]

約数ペア:

[(1, 20930836), (2, 10465418), (4, 5232709), (101, 207236), (103, 203212), (202, 103618), (206, 101606), (404, 51809), (412, 50803), (503, 41612), (1006, 20806), (2012, 10403)]