20218481855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{601651}}^1$

素因数の和:601727

約数の個数: 32

約数和(自身を含む): 29110330368

約数和(自身を除く): 8891848513

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 517, 611, 715, 2585, 3055, 6721, 33605, 601651, 3008255, 6618161, 7821463, 28277597, 33090805, 39107315, 86036093, 141387985, 311053567, 367608761, 430180465, 1555267835, 1838043805, 4043696371, 20218481855]

約数ペア:

[(1, 20218481855), (5, 4043696371), (11, 1838043805), (13, 1555267835), (47, 430180465), (55, 367608761), (65, 311053567), (143, 141387985), (235, 86036093), (517, 39107315), (611, 33090805), (715, 28277597), (2585, 7821463), (3055, 6618161), (6721, 3008255), (33605, 601651)]