20565207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1283}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 32248944

約数和(自身を除く): 11683737

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1283, 1781, 3849, 5343, 11547, 16029, 16679, 50037, 150111, 175771, 527313, 1581939, 2285023, 6855069, 20565207]

約数ペア:

[(1, 20565207), (3, 6855069), (9, 2285023), (13, 1581939), (39, 527313), (117, 175771), (137, 150111), (411, 50037), (1233, 16679), (1283, 16029), (1781, 11547), (3849, 5343)]