20806436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43711}}^1$

素因数の和:43739

約数の個数: 24

約数和(自身を含む): 44061696

約数和(自身を除く): 23255260

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43711, 87422, 174844, 305977, 611954, 743087, 1223908, 1486174, 2972348, 5201609, 10403218, 20806436]

約数ペア:

[(1, 20806436), (2, 10403218), (4, 5201609), (7, 2972348), (14, 1486174), (17, 1223908), (28, 743087), (34, 611954), (68, 305977), (119, 174844), (238, 87422), (476, 43711)]