20080462689

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{138401}}^1$

素因数の和:138475

約数の個数: 48

約数和(自身を含む): 34545139200

約数和(自身を除く): 14464676511

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 343, 423, 441, 987, 1029, 2303, 2961, 3087, 6909, 16121, 20727, 48363, 138401, 145089, 415203, 968807, 1245609, 2906421, 6504847, 6781649, 8719263, 19514541, 20344947, 45533929, 47471543, 58543623, 61034841, 136601787, 142414629, 318737503, 409805361, 427243887, 956212509, 2231162521, 2868637527, 6693487563, 20080462689]

約数ペア:

[(1, 20080462689), (3, 6693487563), (7, 2868637527), (9, 2231162521), (21, 956212509), (47, 427243887), (49, 409805361), (63, 318737503), (141, 142414629), (147, 136601787), (329, 61034841), (343, 58543623), (423, 47471543), (441, 45533929), (987, 20344947), (1029, 19514541), (2303, 8719263), (2961, 6781649), (3087, 6504847), (6909, 2906421), (16121, 1245609), (20727, 968807), (48363, 415203), (138401, 145089)]