20886132

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 52823232

約数和(自身を除く): 31937100

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2381, 2924, 4386, 4762, 7143, 8772, 9524, 14286, 28572, 40477, 80954, 102383, 121431, 161908, 204766, 242862, 307149, 409532, 485724, 614298, 1228596, 1740511, 3481022, 5221533, 6962044, 10443066, 20886132]

約数ペア:

[(1, 20886132), (2, 10443066), (3, 6962044), (4, 5221533), (6, 3481022), (12, 1740511), (17, 1228596), (34, 614298), (43, 485724), (51, 409532), (68, 307149), (86, 242862), (102, 204766), (129, 161908), (172, 121431), (204, 102383), (258, 80954), (516, 40477), (731, 28572), (1462, 14286), (2193, 9524), (2381, 8772), (2924, 7143), (4386, 4762)]