20210694497

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{700277}}^1$

素因数の和:700341

約数の個数: 24

約数和(自身を含む): 25546141440

約数和(自身を除く): 5335446943

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 4123, 28861, 700277, 4901939, 13305263, 21708587, 34313573, 93136841, 151960109, 412463153, 651957887, 1063720763, 2887242071, 20210694497]

約数ペア:

[(1, 20210694497), (7, 2887242071), (19, 1063720763), (31, 651957887), (49, 412463153), (133, 151960109), (217, 93136841), (589, 34313573), (931, 21708587), (1519, 13305263), (4123, 4901939), (28861, 700277)]