20194696880

素因数分解:

$2^4\times 5^1\times {\mathrm{8597}}^1\times {\mathrm{29363}}^1$

素因数の和:37973

約数の個数: 40

約数和(自身を含む): 46959730992

約数和(自身を除く): 26765034112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8597, 17194, 29363, 34388, 42985, 58726, 68776, 85970, 117452, 137552, 146815, 171940, 234904, 293630, 343880, 469808, 587260, 687760, 1174520, 2349040, 252433711, 504867422, 1009734844, 1262168555, 2019469688, 2524337110, 4038939376, 5048674220, 10097348440, 20194696880]

約数ペア:

[(1, 20194696880), (2, 10097348440), (4, 5048674220), (5, 4038939376), (8, 2524337110), (10, 2019469688), (16, 1262168555), (20, 1009734844), (40, 504867422), (80, 252433711), (8597, 2349040), (17194, 1174520), (29363, 687760), (34388, 587260), (42985, 469808), (58726, 343880), (68776, 293630), (85970, 234904), (117452, 171940), (137552, 146815)]