20795238

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3533}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 46648800

約数和(自身を除く): 25853562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3533, 5886, 7066, 10599, 21198, 31797, 63594, 95391, 190782, 385097, 770194, 1155291, 2310582, 3465873, 6931746, 10397619, 20795238]

約数ペア:

[(1, 20795238), (2, 10397619), (3, 6931746), (6, 3465873), (9, 2310582), (18, 1155291), (27, 770194), (54, 385097), (109, 190782), (218, 95391), (327, 63594), (654, 31797), (981, 21198), (1962, 10599), (2943, 7066), (3533, 5886)]