20674035

素因数分解:

$3^4\times 5^1\times {\mathrm{51047}}^1$

素因数の和:51064

約数の個数: 20

約数和(自身を含む): 37060848

約数和(自身を除く): 16386813

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51047, 153141, 255235, 459423, 765705, 1378269, 2297115, 4134807, 6891345, 20674035]

約数ペア:

[(1, 20674035), (3, 6891345), (5, 4134807), (9, 2297115), (15, 1378269), (27, 765705), (45, 459423), (81, 255235), (135, 153141), (405, 51047)]