20974677

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 28654080

約数和(自身を除く): 7679403

約数列:

[1, 3, 59, 163, 177, 489, 727, 2181, 9617, 28851, 42893, 118501, 128679, 355503, 6991559, 20974677]

約数ペア:

[(1, 20974677), (3, 6991559), (59, 355503), (163, 128679), (177, 118501), (489, 42893), (727, 28851), (2181, 9617)]