20348540390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107097581}}^1$

素因数の和:107097607

約数の個数: 16

約数和(自身を含む): 38555129520

約数和(自身を除く): 18206589130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 107097581, 214195162, 535487905, 1070975810, 2034854039, 4069708078, 10174270195, 20348540390]

約数ペア:

[(1, 20348540390), (2, 10174270195), (5, 4069708078), (10, 2034854039), (19, 1070975810), (38, 535487905), (95, 214195162), (190, 107097581)]