20176755820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77602907}}^1$

素因数の和:77602929

約数の個数: 24

約数和(自身を含む): 45630509904

約数和(自身を除く): 25453754084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77602907, 155205814, 310411628, 388014535, 776029070, 1008837791, 1552058140, 2017675582, 4035351164, 5044188955, 10088377910, 20176755820]

約数ペア:

[(1, 20176755820), (2, 10088377910), (4, 5044188955), (5, 4035351164), (10, 2017675582), (13, 1552058140), (20, 1008837791), (26, 776029070), (52, 388014535), (65, 310411628), (130, 155205814), (260, 77602907)]