20354852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38261}}^1$

素因数の和:38291

約数の個数: 24

約数和(自身を含む): 42853440

約数和(自身を除く): 22498588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38261, 76522, 153044, 267827, 535654, 726959, 1071308, 1453918, 2907836, 5088713, 10177426, 20354852]

約数ペア:

[(1, 20354852), (2, 10177426), (4, 5088713), (7, 2907836), (14, 1453918), (19, 1071308), (28, 726959), (38, 535654), (76, 267827), (133, 153044), (266, 76522), (532, 38261)]