20123004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 51601536

約数和(自身を除く): 31478532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 971, 1727, 1884, 1942, 2913, 3454, 3884, 5181, 5826, 6908, 10362, 10681, 11652, 20724, 21362, 32043, 42724, 64086, 128172, 152447, 304894, 457341, 609788, 914682, 1676917, 1829364, 3353834, 5030751, 6707668, 10061502, 20123004]

約数ペア:

[(1, 20123004), (2, 10061502), (3, 6707668), (4, 5030751), (6, 3353834), (11, 1829364), (12, 1676917), (22, 914682), (33, 609788), (44, 457341), (66, 304894), (132, 152447), (157, 128172), (314, 64086), (471, 42724), (628, 32043), (942, 21362), (971, 20724), (1727, 11652), (1884, 10681), (1942, 10362), (2913, 6908), (3454, 5826), (3884, 5181)]