20881567322

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1909783}}^1$

素因数の和:1909874

約数の個数: 32

約数和(自身を含む): 39601281024

約数和(自身を除く): 18719713702

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 5467, 10934, 1909783, 3819566, 13368481, 21007613, 26736962, 42015226, 135594593, 147053291, 271189186, 294106582, 949162151, 1491540523, 1898324302, 2983081046, 10440783661, 20881567322]

約数ペア:

[(1, 20881567322), (2, 10440783661), (7, 2983081046), (11, 1898324302), (14, 1491540523), (22, 949162151), (71, 294106582), (77, 271189186), (142, 147053291), (154, 135594593), (497, 42015226), (781, 26736962), (994, 21007613), (1562, 13368481), (5467, 3819566), (10934, 1909783)]