20187424551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5107}}^1\times {\mathrm{9907}}^1$

素因数の和:15043

約数の個数: 32

約数和(自身を含む): 32390440960

約数和(自身を除く): 12203016409

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5107, 9907, 15321, 29721, 35749, 69349, 97033, 107247, 188233, 208047, 291099, 564699, 679231, 1317631, 2037693, 3952893, 50595049, 151785147, 354165343, 961305931, 1062496029, 2883917793, 6729141517, 20187424551]

約数ペア:

[(1, 20187424551), (3, 6729141517), (7, 2883917793), (19, 1062496029), (21, 961305931), (57, 354165343), (133, 151785147), (399, 50595049), (5107, 3952893), (9907, 2037693), (15321, 1317631), (29721, 679231), (35749, 564699), (69349, 291099), (97033, 208047), (107247, 188233)]