20216803491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{162623}}^1$

素因数の和:163375

約数の個数: 24

約数和(自身を含む): 30781470720

約数和(自身を除く): 10564667229

約数列:

[1, 3, 9, 19, 57, 171, 727, 2181, 6543, 13813, 41439, 124317, 162623, 487869, 1463607, 3089837, 9269511, 27808533, 118226921, 354680763, 1064042289, 2246311499, 6738934497, 20216803491]

約数ペア:

[(1, 20216803491), (3, 6738934497), (9, 2246311499), (19, 1064042289), (57, 354680763), (171, 118226921), (727, 27808533), (2181, 9269511), (6543, 3089837), (13813, 1463607), (41439, 487869), (124317, 162623)]