20504724

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30298476

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 647, 834, 1294, 1668, 1941, 2588, 2641, 3882, 5282, 7764, 7923, 10564, 12293, 15846, 24586, 31692, 36879, 49172, 73758, 89933, 147516, 179866, 269799, 359732, 539598, 1079196, 1708727, 3417454, 5126181, 6834908, 10252362, 20504724]

約数ペア:

[(1, 20504724), (2, 10252362), (3, 6834908), (4, 5126181), (6, 3417454), (12, 1708727), (19, 1079196), (38, 539598), (57, 359732), (76, 269799), (114, 179866), (139, 147516), (228, 89933), (278, 73758), (417, 49172), (556, 36879), (647, 31692), (834, 24586), (1294, 15846), (1668, 12293), (1941, 10564), (2588, 7923), (2641, 7764), (3882, 5282)]