20504913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47797}}^1$

素因数の和:47824

約数の個数: 16

約数和(自身を含む): 32120256

約数和(自身を除く): 11615343

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47797, 143391, 525767, 621361, 1577301, 1864083, 6834971, 20504913]

約数ペア:

[(1, 20504913), (3, 6834971), (11, 1864083), (13, 1577301), (33, 621361), (39, 525767), (143, 143391), (429, 47797)]