20339994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 43476480

約数和(自身を除く): 23136486

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2663, 3819, 5326, 7638, 7989, 15978, 50597, 101194, 151791, 178421, 303582, 356842, 535263, 1070526, 3389999, 6779998, 10169997, 20339994]

約数ペア:

[(1, 20339994), (2, 10169997), (3, 6779998), (6, 3389999), (19, 1070526), (38, 535263), (57, 356842), (67, 303582), (114, 178421), (134, 151791), (201, 101194), (402, 50597), (1273, 15978), (2546, 7989), (2663, 7638), (3819, 5326)]