20389347

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{79}}^2$

素因数の和:189

約数の個数: 36

約数和(自身を含む): 33627720

約数和(自身を除く): 13238373

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 121, 237, 297, 363, 711, 869, 1089, 2133, 2607, 3267, 6241, 7821, 9559, 18723, 23463, 28677, 56169, 68651, 86031, 168507, 205953, 258093, 617859, 755161, 1853577, 2265483, 6796449, 20389347]

約数ペア:

[(1, 20389347), (3, 6796449), (9, 2265483), (11, 1853577), (27, 755161), (33, 617859), (79, 258093), (99, 205953), (121, 168507), (237, 86031), (297, 68651), (363, 56169), (711, 28677), (869, 23463), (1089, 18723), (2133, 9559), (2607, 7821), (3267, 6241)]