20860636

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 37608480

約数和(自身を除く): 16747844

約数列:

[1, 2, 4, 41, 82, 164, 311, 409, 622, 818, 1244, 1636, 12751, 16769, 25502, 33538, 51004, 67076, 127199, 254398, 508796, 5215159, 10430318, 20860636]

約数ペア:

[(1, 20860636), (2, 10430318), (4, 5215159), (41, 508796), (82, 254398), (164, 127199), (311, 67076), (409, 51004), (622, 33538), (818, 25502), (1244, 16769), (1636, 12751)]