20173739408920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11728918261}}^1$

素因数の和:11728918315

約数の個数: 32

約数和(自身を含む): 46446516317520

約数和(自身を除く): 26272776908600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11728918261, 23457836522, 46915673044, 58644591305, 93831346088, 117289182610, 234578365220, 469156730440, 504343485223, 1008686970446, 2017373940892, 2521717426115, 4034747881784, 5043434852230, 10086869704460, 20173739408920]

約数ペア:

[(1, 20173739408920), (2, 10086869704460), (4, 5043434852230), (5, 4034747881784), (8, 2521717426115), (10, 2017373940892), (20, 1008686970446), (40, 504343485223), (43, 469156730440), (86, 234578365220), (172, 117289182610), (215, 93831346088), (344, 58644591305), (430, 46915673044), (860, 23457836522), (1720, 11728918261)]