20671574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18208426

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 269, 499, 538, 998, 1883, 2959, 3493, 3766, 5489, 5918, 6986, 10978, 20713, 38423, 41426, 76846, 134231, 268462, 939617, 1476541, 1879234, 2953082, 10335787, 20671574]

約数ペア:

[(1, 20671574), (2, 10335787), (7, 2953082), (11, 1879234), (14, 1476541), (22, 939617), (77, 268462), (154, 134231), (269, 76846), (499, 41426), (538, 38423), (998, 20713), (1883, 10978), (2959, 6986), (3493, 5918), (3766, 5489)]