20040408

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6473}}^1$

素因数の和:6528

約数の個数: 48

約数和(自身を含む): 55546920

約数和(自身を除く): 35506512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6473, 12946, 19419, 25892, 38838, 51784, 58257, 77676, 116514, 155352, 233028, 278339, 466056, 556678, 835017, 1113356, 1670034, 2226712, 2505051, 3340068, 5010102, 6680136, 10020204, 20040408]

約数ペア:

[(1, 20040408), (2, 10020204), (3, 6680136), (4, 5010102), (6, 3340068), (8, 2505051), (9, 2226712), (12, 1670034), (18, 1113356), (24, 835017), (36, 556678), (43, 466056), (72, 278339), (86, 233028), (129, 155352), (172, 116514), (258, 77676), (344, 58257), (387, 51784), (516, 38838), (774, 25892), (1032, 19419), (1548, 12946), (3096, 6473)]