20591324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9209}}^1$

素因数の和:9269

約数の個数: 24

約数和(自身を含む): 39713520

約数和(自身を除く): 19122196

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9209, 18418, 36836, 119717, 239434, 395987, 478868, 791974, 1583948, 5147831, 10295662, 20591324]

約数ペア:

[(1, 20591324), (2, 10295662), (4, 5147831), (13, 1583948), (26, 791974), (43, 478868), (52, 395987), (86, 239434), (172, 119717), (559, 36836), (1118, 18418), (2236, 9209)]