20298895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 25274592

約数和(自身を除く): 4975697

約数列:

[1, 5, 41, 83, 205, 415, 1193, 3403, 5965, 17015, 48913, 99019, 244565, 495095, 4059779, 20298895]

約数ペア:

[(1, 20298895), (5, 4059779), (41, 495095), (83, 244565), (205, 99019), (415, 48913), (1193, 17015), (3403, 5965)]