20885364

素因数分解:

$2^2\times 3^5\times {\mathrm{21487}}^1$

素因数の和:21506

約数の個数: 36

約数和(自身を含む): 54751424

約数和(自身を除く): 33866060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21487, 42974, 64461, 85948, 128922, 193383, 257844, 386766, 580149, 773532, 1160298, 1740447, 2320596, 3480894, 5221341, 6961788, 10442682, 20885364]

約数ペア:

[(1, 20885364), (2, 10442682), (3, 6961788), (4, 5221341), (6, 3480894), (9, 2320596), (12, 1740447), (18, 1160298), (27, 773532), (36, 580149), (54, 386766), (81, 257844), (108, 193383), (162, 128922), (243, 85948), (324, 64461), (486, 42974), (972, 21487)]