20808540403

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1\times {\mathrm{54193}}^1$

素因数の和:57106

約数の個数: 16

約数和(自身を含む): 25041963520

約数和(自身を除く): 4233423117

約数列:

[1, 7, 19, 133, 2887, 20209, 54193, 54853, 379351, 383971, 1029667, 7207669, 156455191, 1095186337, 2972648629, 20808540403]

約数ペア:

[(1, 20808540403), (7, 2972648629), (19, 1095186337), (133, 156455191), (2887, 7207669), (20209, 1029667), (54193, 383971), (54853, 379351)]