20341798981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{19763}}^1$

素因数の和:19969

約数の個数: 32

約数和(自身を含む): 25044940800

約数和(自身を除く): 4703141819

約数列:

[1, 7, 19, 71, 109, 133, 497, 763, 1349, 2071, 7739, 9443, 14497, 19763, 54173, 138341, 147041, 375497, 1029287, 1403173, 2154167, 2628479, 9822211, 15079169, 26660287, 40929173, 152945857, 186622009, 286504211, 1070620999, 2905971283, 20341798981]

約数ペア:

[(1, 20341798981), (7, 2905971283), (19, 1070620999), (71, 286504211), (109, 186622009), (133, 152945857), (497, 40929173), (763, 26660287), (1349, 15079169), (2071, 9822211), (7739, 2628479), (9443, 2154167), (14497, 1403173), (19763, 1029287), (54173, 375497), (138341, 147041)]