20534748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 52026240

約数和(自身を除く): 31491492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 947, 1668, 1807, 1894, 2841, 3614, 3788, 5421, 5682, 7228, 10842, 11364, 12311, 21684, 24622, 36933, 49244, 73866, 131633, 147732, 263266, 394899, 526532, 789798, 1579596, 1711229, 3422458, 5133687, 6844916, 10267374, 20534748]

約数ペア:

[(1, 20534748), (2, 10267374), (3, 6844916), (4, 5133687), (6, 3422458), (12, 1711229), (13, 1579596), (26, 789798), (39, 526532), (52, 394899), (78, 263266), (139, 147732), (156, 131633), (278, 73866), (417, 49244), (556, 36933), (834, 24622), (947, 21684), (1668, 12311), (1807, 11364), (1894, 10842), (2841, 7228), (3614, 5682), (3788, 5421)]