20642502

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47129}}^1$

素因数の和:47207

約数の個数: 16

約数和(自身を含む): 41851440

約数和(自身を除く): 21208938

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47129, 94258, 141387, 282774, 3440417, 6880834, 10321251, 20642502]

約数ペア:

[(1, 20642502), (2, 10321251), (3, 6880834), (6, 3440417), (73, 282774), (146, 141387), (219, 94258), (438, 47129)]