20896511

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{401}}^1$

素因数の和:514

約数の個数: 12

約数和(自身を含む): 22164672

約数和(自身を除く): 1268161

約数列:

[1, 31, 41, 401, 1271, 1681, 12431, 16441, 52111, 509671, 674081, 20896511]

約数ペア:

[(1, 20896511), (31, 674081), (41, 509671), (401, 52111), (1271, 16441), (1681, 12431)]