20168703908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{311111}}^1$

素因数の和:311987

約数の個数: 24

約数和(自身を含む): 37196550720

約数和(自身を除く): 17027846812

約数列:

[1, 2, 4, 19, 38, 76, 853, 1706, 3412, 16207, 32414, 64828, 311111, 622222, 1244444, 5911109, 11822218, 23644436, 265377683, 530755366, 1061510732, 5042175977, 10084351954, 20168703908]

約数ペア:

[(1, 20168703908), (2, 10084351954), (4, 5042175977), (19, 1061510732), (38, 530755366), (76, 265377683), (853, 23644436), (1706, 11822218), (3412, 5911109), (16207, 1244444), (32414, 622222), (64828, 311111)]