20652278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5381}}^1$

素因数の和:5503

約数の個数: 16

約数和(自身を含む): 32937840

約数和(自身を除く): 12285562

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5381, 10762, 102239, 204478, 543481, 1086962, 10326139, 20652278]

約数ペア:

[(1, 20652278), (2, 10326139), (19, 1086962), (38, 543481), (101, 204478), (202, 102239), (1919, 10762), (3838, 5381)]