20901871

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 22590720

約数和(自身を除く): 1688849

約数列:

[1, 23, 59, 73, 211, 1357, 1679, 4307, 4853, 12449, 15403, 99061, 286327, 354269, 908777, 20901871]

約数ペア:

[(1, 20901871), (23, 908777), (59, 354269), (73, 286327), (211, 99061), (1357, 15403), (1679, 12449), (4307, 4853)]