20215568936

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 41663808000

約数和(自身を除く): 21448239064

約数列:

[1, 2, 4, 8, 29, 37, 47, 58, 74, 89, 94, 116, 148, 178, 188, 232, 296, 356, 376, 563, 712, 1073, 1126, 1363, 1739, 2146, 2252, 2581, 2726, 3293, 3478, 4183, 4292, 4504, 5162, 5452, 6586, 6956, 8366, 8584, 10324, 10904, 13172, 13912, 16327, 16732, 20648, 20831, 26344, 26461, 32654, 33464, 41662, 50107, 50431, 52922, 65308, 83324, 95497, 100214, 100862, 105844, 121307, 130616, 154771, 166648, 190994, 200428, 201724, 211688, 242614, 309542, 381988, 400856, 403448, 485228, 604099, 619084, 763976, 767369, 970456, 979057, 1208198, 1238168, 1453103, 1534738, 1853959, 1958114, 2355029, 2416396, 2906206, 3069476, 3707918, 3916228, 4488359, 4710058, 4832792, 5812412, 6138952, 7415836, 7832456, 8976718, 9420116, 11624824, 14831672, 17953436, 18840232, 28392653, 35906872, 53764811, 56785306, 68295841, 87136073, 107529622, 113570612, 136591682, 174272146, 215059244, 227141224, 273183364, 348544292, 430118488, 546366728, 697088584, 2526946117, 5053892234, 10107784468, 20215568936]

約数ペア:

[(1, 20215568936), (2, 10107784468), (4, 5053892234), (8, 2526946117), (29, 697088584), (37, 546366728), (47, 430118488), (58, 348544292), (74, 273183364), (89, 227141224), (94, 215059244), (116, 174272146), (148, 136591682), (178, 113570612), (188, 107529622), (232, 87136073), (296, 68295841), (356, 56785306), (376, 53764811), (563, 35906872), (712, 28392653), (1073, 18840232), (1126, 17953436), (1363, 14831672), (1739, 11624824), (2146, 9420116), (2252, 8976718), (2581, 7832456), (2726, 7415836), (3293, 6138952), (3478, 5812412), (4183, 4832792), (4292, 4710058), (4504, 4488359), (5162, 3916228), (5452, 3707918), (6586, 3069476), (6956, 2906206), (8366, 2416396), (8584, 2355029), (10324, 1958114), (10904, 1853959), (13172, 1534738), (13912, 1453103), (16327, 1238168), (16732, 1208198), (20648, 979057), (20831, 970456), (26344, 767369), (26461, 763976), (32654, 619084), (33464, 604099), (41662, 485228), (50107, 403448), (50431, 400856), (52922, 381988), (65308, 309542), (83324, 242614), (95497, 211688), (100214, 201724), (100862, 200428), (105844, 190994), (121307, 166648), (130616, 154771)]