20178487756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1319

約数の個数: 96

約数和(自身を含む): 43177300992

約数和(自身を除く): 22998813236

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 167, 238, 313, 334, 476, 626, 668, 811, 1169, 1252, 1622, 2191, 2338, 2839, 3244, 4382, 4676, 5321, 5677, 5678, 8764, 10642, 11354, 11356, 13787, 19873, 21284, 22708, 27574, 37247, 39746, 52271, 55148, 74494, 79492, 96509, 104542, 135437, 148988, 193018, 209084, 253843, 270874, 365897, 386036, 507686, 541748, 731794, 888607, 948059, 1015372, 1463588, 1776901, 1777214, 1896118, 2302429, 3553802, 3554428, 3792236, 4315331, 4604858, 6220249, 7107604, 8630662, 9209716, 12440498, 16117003, 17261324, 24880996, 30207317, 32234006, 42391781, 60414634, 64468012, 84783562, 120829268, 169567124, 296742467, 593484934, 720660277, 1186969868, 1441320554, 2882641108, 5044621939, 10089243878, 20178487756]

約数ペア:

[(1, 20178487756), (2, 10089243878), (4, 5044621939), (7, 2882641108), (14, 1441320554), (17, 1186969868), (28, 720660277), (34, 593484934), (68, 296742467), (119, 169567124), (167, 120829268), (238, 84783562), (313, 64468012), (334, 60414634), (476, 42391781), (626, 32234006), (668, 30207317), (811, 24880996), (1169, 17261324), (1252, 16117003), (1622, 12440498), (2191, 9209716), (2338, 8630662), (2839, 7107604), (3244, 6220249), (4382, 4604858), (4676, 4315331), (5321, 3792236), (5677, 3554428), (5678, 3553802), (8764, 2302429), (10642, 1896118), (11354, 1777214), (11356, 1776901), (13787, 1463588), (19873, 1015372), (21284, 948059), (22708, 888607), (27574, 731794), (37247, 541748), (39746, 507686), (52271, 386036), (55148, 365897), (74494, 270874), (79492, 253843), (96509, 209084), (104542, 193018), (135437, 148988)]