20285426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76261}}^1$

素因数の和:76289

約数の個数: 16

約数和(自身を含む): 36605760

約数和(自身を除く): 16320334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76261, 152522, 533827, 1067654, 1448959, 2897918, 10142713, 20285426]

約数ペア:

[(1, 20285426), (2, 10142713), (7, 2897918), (14, 1448959), (19, 1067654), (38, 533827), (133, 152522), (266, 76261)]