20888235

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2027}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 36382320

約数和(自身を除く): 15494085

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2027, 2061, 3435, 6081, 10135, 10305, 18243, 30405, 91215, 464183, 1392549, 2320915, 4177647, 6962745, 20888235]

約数ペア:

[(1, 20888235), (3, 6962745), (5, 4177647), (9, 2320915), (15, 1392549), (45, 464183), (229, 91215), (687, 30405), (1145, 18243), (2027, 10305), (2061, 10135), (3435, 6081)]