20004804

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12923}}^1$

素因数の和:12976

約数の個数: 36

約数和(自身を含む): 51747696

約数和(自身を除く): 31742892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12923, 25846, 38769, 51692, 77538, 116307, 155076, 232614, 465228, 555689, 1111378, 1667067, 2222756, 3334134, 5001201, 6668268, 10002402, 20004804]

約数ペア:

[(1, 20004804), (2, 10002402), (3, 6668268), (4, 5001201), (6, 3334134), (9, 2222756), (12, 1667067), (18, 1111378), (36, 555689), (43, 465228), (86, 232614), (129, 155076), (172, 116307), (258, 77538), (387, 51692), (516, 38769), (774, 25846), (1548, 12923)]