20411258

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63389}}^1$

素因数の和:63421

約数の個数: 16

約数和(自身を含む): 36512640

約数和(自身を除く): 16101382

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63389, 126778, 443723, 887446, 1457947, 2915894, 10205629, 20411258]

約数ペア:

[(1, 20411258), (2, 10205629), (7, 2915894), (14, 1457947), (23, 887446), (46, 443723), (161, 126778), (322, 63389)]