20778812359

素因数分解:

${\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1\times {\mathrm{12823}}^1$

素因数の和:13710

約数の個数: 16

約数和(自身を含む): 21827473920

約数和(自身を除く): 1048661561

約数列:

[1, 29, 71, 787, 2059, 12823, 22823, 55877, 371867, 910433, 1620433, 10091701, 26402557, 292659329, 716510771, 20778812359]

約数ペア:

[(1, 20778812359), (29, 716510771), (71, 292659329), (787, 26402557), (2059, 10091701), (12823, 1620433), (22823, 910433), (55877, 371867)]