20691776560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{8191}}^1$

素因数の和:8571

約数の個数: 160

約数和(自身を含む): 59388198912

約数和(自身を除く): 38696422352

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 347, 364, 455, 520, 560, 694, 728, 910, 1040, 1388, 1456, 1735, 1820, 2429, 2776, 3470, 3640, 4511, 4858, 5552, 6940, 7280, 8191, 9022, 9716, 12145, 13880, 16382, 18044, 19432, 22555, 24290, 27760, 31577, 32764, 36088, 38864, 40955, 45110, 48580, 57337, 63154, 65528, 72176, 81910, 90220, 97160, 106483, 114674, 126308, 131056, 157885, 163820, 180440, 194320, 212966, 229348, 252616, 286685, 315770, 327640, 360880, 425932, 458696, 505232, 532415, 573370, 631540, 655280, 745381, 851864, 917392, 1064830, 1146740, 1263080, 1490762, 1703728, 2129660, 2293480, 2526160, 2842277, 2981524, 3726905, 4259320, 4586960, 5684554, 5963048, 7453810, 8518640, 11369108, 11926096, 14211385, 14907620, 19895939, 22738216, 28422770, 29815240, 36949601, 39791878, 45476432, 56845540, 59630480, 73899202, 79583756, 99479695, 113691080, 147798404, 159167512, 184748005, 198959390, 227382160, 258647207, 295596808, 318335024, 369496010, 397918780, 517294414, 591193616, 738992020, 795837560, 1034588828, 1293236035, 1477984040, 1591675120, 2069177656, 2586472070, 2955968080, 4138355312, 5172944140, 10345888280, 20691776560]

約数ペア:

[(1, 20691776560), (2, 10345888280), (4, 5172944140), (5, 4138355312), (7, 2955968080), (8, 2586472070), (10, 2069177656), (13, 1591675120), (14, 1477984040), (16, 1293236035), (20, 1034588828), (26, 795837560), (28, 738992020), (35, 591193616), (40, 517294414), (52, 397918780), (56, 369496010), (65, 318335024), (70, 295596808), (80, 258647207), (91, 227382160), (104, 198959390), (112, 184748005), (130, 159167512), (140, 147798404), (182, 113691080), (208, 99479695), (260, 79583756), (280, 73899202), (347, 59630480), (364, 56845540), (455, 45476432), (520, 39791878), (560, 36949601), (694, 29815240), (728, 28422770), (910, 22738216), (1040, 19895939), (1388, 14907620), (1456, 14211385), (1735, 11926096), (1820, 11369108), (2429, 8518640), (2776, 7453810), (3470, 5963048), (3640, 5684554), (4511, 4586960), (4858, 4259320), (5552, 3726905), (6940, 2981524), (7280, 2842277), (8191, 2526160), (9022, 2293480), (9716, 2129660), (12145, 1703728), (13880, 1490762), (16382, 1263080), (18044, 1146740), (19432, 1064830), (22555, 917392), (24290, 851864), (27760, 745381), (31577, 655280), (32764, 631540), (36088, 573370), (38864, 532415), (40955, 505232), (45110, 458696), (48580, 425932), (57337, 360880), (63154, 327640), (65528, 315770), (72176, 286685), (81910, 252616), (90220, 229348), (97160, 212966), (106483, 194320), (114674, 180440), (126308, 163820), (131056, 157885)]