20121746421

素因数分解:

$3^1\times 7^1\times {\mathrm{16069}}^1\times {\mathrm{59629}}^1$

素因数の和:75708

約数の個数: 16

約数和(自身を含む): 30664131200

約数和(自身を除く): 10542384779

約数列:

[1, 3, 7, 21, 16069, 48207, 59629, 112483, 178887, 337449, 417403, 1252209, 958178401, 2874535203, 6707248807, 20121746421]

約数ペア:

[(1, 20121746421), (3, 6707248807), (7, 2874535203), (21, 958178401), (16069, 1252209), (48207, 417403), (59629, 337449), (112483, 178887)]