20871044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 38841600

約数和(自身を除く): 17970556

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2719, 3838, 5438, 7676, 10876, 51661, 103322, 206644, 274619, 549238, 1098476, 5217761, 10435522, 20871044]

約数ペア:

[(1, 20871044), (2, 10435522), (4, 5217761), (19, 1098476), (38, 549238), (76, 274619), (101, 206644), (202, 103322), (404, 51661), (1919, 10876), (2719, 7676), (3838, 5438)]