20768505

素因数分解:

$3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2281}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 33298944

約数和(自身を除く): 12530439

約数列:

[1, 3, 5, 15, 607, 1821, 2281, 3035, 6843, 9105, 11405, 34215, 1384567, 4153701, 6922835, 20768505]

約数ペア:

[(1, 20768505), (3, 6922835), (5, 4153701), (15, 1384567), (607, 34215), (1821, 11405), (2281, 9105), (3035, 6843)]