20168747760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631853}}^1$

素因数の和:631895

約数の個数: 160

約数和(自身を含む): 75215900160

約数和(自身を除く): 55047152400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 31920, 631853, 1263706, 1895559, 2527412, 3159265, 3791118, 4422971, 5054824, 6318530, 7582236, 8845942, 9477795, 10109648, 12005207, 12637060, 13268913, 15164472, 17691884, 18955590, 22114855, 24010414, 25274120, 26537826, 30328944, 35383768, 36015621, 37911180, 44229710, 48020828, 50548240, 53075652, 60026035, 66344565, 70767536, 72031242, 75822360, 84036449, 88459420, 96041656, 106151304, 120052070, 132689130, 144062484, 151644720, 168072898, 176918840, 180078105, 192083312, 212302608, 240104140, 252109347, 265378260, 288124968, 336145796, 353837680, 360156210, 420182245, 480208280, 504218694, 530756520, 576249936, 672291592, 720312420, 840364490, 960416560, 1008437388, 1061513040, 1260546735, 1344583184, 1440624840, 1680728980, 2016874776, 2521093470, 2881249680, 3361457960, 4033749552, 5042186940, 6722915920, 10084373880, 20168747760]

約数ペア:

[(1, 20168747760), (2, 10084373880), (3, 6722915920), (4, 5042186940), (5, 4033749552), (6, 3361457960), (7, 2881249680), (8, 2521093470), (10, 2016874776), (12, 1680728980), (14, 1440624840), (15, 1344583184), (16, 1260546735), (19, 1061513040), (20, 1008437388), (21, 960416560), (24, 840364490), (28, 720312420), (30, 672291592), (35, 576249936), (38, 530756520), (40, 504218694), (42, 480208280), (48, 420182245), (56, 360156210), (57, 353837680), (60, 336145796), (70, 288124968), (76, 265378260), (80, 252109347), (84, 240104140), (95, 212302608), (105, 192083312), (112, 180078105), (114, 176918840), (120, 168072898), (133, 151644720), (140, 144062484), (152, 132689130), (168, 120052070), (190, 106151304), (210, 96041656), (228, 88459420), (240, 84036449), (266, 75822360), (280, 72031242), (285, 70767536), (304, 66344565), (336, 60026035), (380, 53075652), (399, 50548240), (420, 48020828), (456, 44229710), (532, 37911180), (560, 36015621), (570, 35383768), (665, 30328944), (760, 26537826), (798, 25274120), (840, 24010414), (912, 22114855), (1064, 18955590), (1140, 17691884), (1330, 15164472), (1520, 13268913), (1596, 12637060), (1680, 12005207), (1995, 10109648), (2128, 9477795), (2280, 8845942), (2660, 7582236), (3192, 6318530), (3990, 5054824), (4560, 4422971), (5320, 3791118), (6384, 3159265), (7980, 2527412), (10640, 1895559), (15960, 1263706), (31920, 631853)]