20163312407

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1\times {\mathrm{16741}}^1$

素因数の和:19178

約数の個数: 16

約数和(自身を含む): 23370760512

約数和(自身を除く): 3207448105

約数列:

[1, 7, 73, 511, 2357, 16499, 16741, 117187, 172061, 1204427, 1222093, 8554651, 39458537, 276209759, 2880473201, 20163312407]

約数ペア:

[(1, 20163312407), (7, 2880473201), (73, 276209759), (511, 39458537), (2357, 8554651), (16499, 1222093), (16741, 1204427), (117187, 172061)]