20173420164

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2391349}}^1$

素因数の和:2391412

約数の個数: 48

約数和(自身を含む): 50887928000

約数和(自身を除く): 30714507836

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2812, 4218, 8436, 2391349, 4782698, 7174047, 9565396, 14348094, 28696188, 45435631, 88479913, 90871262, 136306893, 176959826, 181742524, 265439739, 272613786, 353919652, 530879478, 545227572, 1061758956, 1681118347, 3362236694, 5043355041, 6724473388, 10086710082, 20173420164]

約数ペア:

[(1, 20173420164), (2, 10086710082), (3, 6724473388), (4, 5043355041), (6, 3362236694), (12, 1681118347), (19, 1061758956), (37, 545227572), (38, 530879478), (57, 353919652), (74, 272613786), (76, 265439739), (111, 181742524), (114, 176959826), (148, 136306893), (222, 90871262), (228, 88479913), (444, 45435631), (703, 28696188), (1406, 14348094), (2109, 9565396), (2812, 7174047), (4218, 4782698), (8436, 2391349)]