20193891

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7384989

約数列:

[1, 3, 71, 113, 213, 339, 839, 2517, 8023, 24069, 59569, 94807, 178707, 284421, 6731297, 20193891]

約数ペア:

[(1, 20193891), (3, 6731297), (71, 284421), (113, 178707), (213, 94807), (339, 59569), (839, 24069), (2517, 8023)]