20121893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 3532507

約数列:

[1, 11, 19, 43, 209, 473, 817, 2239, 8987, 24629, 42541, 96277, 467951, 1059047, 1829263, 20121893]

約数ペア:

[(1, 20121893), (11, 1829263), (19, 1059047), (43, 467951), (209, 96277), (473, 42541), (817, 24629), (2239, 8987)]