20809399015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3653977}}^1$

素因数の和:3654066

約数の個数: 16

約数和(自身を含む): 26834814432

約数和(自身を除く): 6025415417

約数列:

[1, 5, 17, 67, 85, 335, 1139, 5695, 3653977, 18269885, 62117609, 244816459, 310588045, 1224082295, 4161879803, 20809399015]

約数ペア:

[(1, 20809399015), (5, 4161879803), (17, 1224082295), (67, 310588045), (85, 244816459), (335, 62117609), (1139, 18269885), (5695, 3653977)]