20244861

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 17669379

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1301, 1729, 2223, 3903, 5187, 9107, 11709, 15561, 16913, 24719, 27321, 50739, 74157, 81963, 118391, 152217, 173033, 222471, 321347, 355173, 519099, 964041, 1065519, 1557297, 2249429, 2892123, 6748287, 20244861]

約数ペア:

[(1, 20244861), (3, 6748287), (7, 2892123), (9, 2249429), (13, 1557297), (19, 1065519), (21, 964041), (39, 519099), (57, 355173), (63, 321347), (91, 222471), (117, 173033), (133, 152217), (171, 118391), (247, 81963), (273, 74157), (399, 50739), (741, 27321), (819, 24719), (1197, 16913), (1301, 15561), (1729, 11709), (2223, 9107), (3903, 5187)]