20656431

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12967}}^1$

素因数の和:13035

約数の個数: 16

約数和(自身を含む): 31123200

約数和(自身を除く): 10466769

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12967, 38901, 116703, 350109, 765053, 2295159, 6885477, 20656431]

約数ペア:

[(1, 20656431), (3, 6885477), (9, 2295159), (27, 765053), (59, 350109), (177, 116703), (531, 38901), (1593, 12967)]