20158107

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10323813

約数列:

[1, 3, 17, 19, 51, 57, 71, 213, 293, 323, 879, 969, 1207, 1349, 3621, 4047, 4981, 5567, 14943, 16701, 20803, 22933, 62409, 68799, 94639, 283917, 353651, 395257, 1060953, 1185771, 6719369, 20158107]

約数ペア:

[(1, 20158107), (3, 6719369), (17, 1185771), (19, 1060953), (51, 395257), (57, 353651), (71, 283917), (213, 94639), (293, 68799), (323, 62409), (879, 22933), (969, 20803), (1207, 16701), (1349, 14943), (3621, 5567), (4047, 4981)]