20917298

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4813}}^1$

素因数の和:4909

約数の個数: 16

約数和(自身を含む): 32754456

約数和(自身を除く): 11837158

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4813, 9626, 197333, 255089, 394666, 510178, 10458649, 20917298]

約数ペア:

[(1, 20917298), (2, 10458649), (41, 510178), (53, 394666), (82, 255089), (106, 197333), (2173, 9626), (4346, 4813)]