20173440080

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{748273}}^1$

素因数の和:748623

約数の個数: 40

約数和(自身を含む): 47042489832

約数和(自身を除く): 26869049752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 13480, 26960, 748273, 1496546, 2993092, 3741365, 5986184, 7482730, 11972368, 14965460, 29930920, 59861840, 252168001, 504336002, 1008672004, 1260840005, 2017344008, 2521680010, 4034688016, 5043360020, 10086720040, 20173440080]

約数ペア:

[(1, 20173440080), (2, 10086720040), (4, 5043360020), (5, 4034688016), (8, 2521680010), (10, 2017344008), (16, 1260840005), (20, 1008672004), (40, 504336002), (80, 252168001), (337, 59861840), (674, 29930920), (1348, 14965460), (1685, 11972368), (2696, 7482730), (3370, 5986184), (5392, 3741365), (6740, 2993092), (13480, 1496546), (26960, 748273)]