20138521557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{129539}}^1$

素因数の和:130233

約数の個数: 32

約数和(自身を含む): 33527024640

約数和(自身を除く): 13388503083

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 673, 2019, 4711, 7403, 14133, 22209, 51821, 129539, 155463, 388617, 906773, 1424929, 2720319, 4274787, 9974503, 29923509, 87179747, 261539241, 610258229, 958977217, 1830774687, 2876931651, 6712840519, 20138521557]

約数ペア:

[(1, 20138521557), (3, 6712840519), (7, 2876931651), (11, 1830774687), (21, 958977217), (33, 610258229), (77, 261539241), (231, 87179747), (673, 29923509), (2019, 9974503), (4711, 4274787), (7403, 2720319), (14133, 1424929), (22209, 906773), (51821, 388617), (129539, 155463)]