20082760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9473}}^1$

素因数の和:9537

約数の個数: 32

約数和(自身を含む): 46043640

約数和(自身を除く): 25960880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9473, 18946, 37892, 47365, 75784, 94730, 189460, 378920, 502069, 1004138, 2008276, 2510345, 4016552, 5020690, 10041380, 20082760]

約数ペア:

[(1, 20082760), (2, 10041380), (4, 5020690), (5, 4016552), (8, 2510345), (10, 2008276), (20, 1004138), (40, 502069), (53, 378920), (106, 189460), (212, 94730), (265, 75784), (424, 47365), (530, 37892), (1060, 18946), (2120, 9473)]