20200565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10488715

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 739, 781, 2485, 3695, 3905, 5173, 5467, 8129, 25865, 27335, 40645, 52469, 56903, 262345, 284515, 367283, 577159, 1836415, 2885795, 4040113, 20200565]

約数ペア:

[(1, 20200565), (5, 4040113), (7, 2885795), (11, 1836415), (35, 577159), (55, 367283), (71, 284515), (77, 262345), (355, 56903), (385, 52469), (497, 40645), (739, 27335), (781, 25865), (2485, 8129), (3695, 5467), (3905, 5173)]