20277008639

素因数分解:

${\mathrm{19}}^2\times {\mathrm{719}}^1\times {\mathrm{78121}}^1$

素因数の和:78878

約数の個数: 12

約数和(自身を含む): 21430427040

約数和(自身を除く): 1153418401

約数列:

[1, 19, 361, 719, 13661, 78121, 259559, 1484299, 28201681, 56168999, 1067210981, 20277008639]

約数ペア:

[(1, 20277008639), (19, 1067210981), (361, 56168999), (719, 28201681), (13661, 1484299), (78121, 259559)]