20203004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 39556944

約数和(自身を除く): 19353940

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 823, 1292, 1444, 1646, 3292, 6137, 12274, 13991, 15637, 24548, 27982, 31274, 55964, 62548, 265829, 297103, 531658, 594206, 1063316, 1188412, 5050751, 10101502, 20203004]

約数ペア:

[(1, 20203004), (2, 10101502), (4, 5050751), (17, 1188412), (19, 1063316), (34, 594206), (38, 531658), (68, 297103), (76, 265829), (323, 62548), (361, 55964), (646, 31274), (722, 27982), (823, 24548), (1292, 15637), (1444, 13991), (1646, 12274), (3292, 6137)]