20830166

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16183594

約数列:

[1, 2, 7, 14, 53, 67, 106, 134, 371, 419, 469, 742, 838, 938, 2933, 3551, 5866, 7102, 22207, 24857, 28073, 44414, 49714, 56146, 155449, 196511, 310898, 393022, 1487869, 2975738, 10415083, 20830166]

約数ペア:

[(1, 20830166), (2, 10415083), (7, 2975738), (14, 1487869), (53, 393022), (67, 310898), (106, 196511), (134, 155449), (371, 56146), (419, 49714), (469, 44414), (742, 28073), (838, 24857), (938, 22207), (2933, 7102), (3551, 5866)]