20982071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 24281088

約数和(自身を除く): 3299017

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1663, 12617, 18293, 51553, 61531, 567083, 676841, 1907461, 20982071]

約数ペア:

[(1, 20982071), (11, 1907461), (31, 676841), (37, 567083), (341, 61531), (407, 51553), (1147, 18293), (1663, 12617)]