20990241504

素因数分解:

$2^5\times 3^4\times {\mathrm{193}}^1\times {\mathrm{41959}}^1$

素因数の和:42174

約数の個数: 120

約数和(自身を含む): 62053049520

約数和(自身を除く): 41062808016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 193, 216, 288, 324, 386, 432, 579, 648, 772, 864, 1158, 1296, 1544, 1737, 2316, 2592, 3088, 3474, 4632, 5211, 6176, 6948, 9264, 10422, 13896, 15633, 18528, 20844, 27792, 31266, 41688, 41959, 55584, 62532, 83376, 83918, 125064, 125877, 166752, 167836, 250128, 251754, 335672, 377631, 500256, 503508, 671344, 755262, 1007016, 1132893, 1342688, 1510524, 2014032, 2265786, 3021048, 3398679, 4028064, 4531572, 6042096, 6797358, 8098087, 9063144, 12084192, 13594716, 16196174, 18126288, 24294261, 27189432, 32392348, 36252576, 48588522, 54378864, 64784696, 72882783, 97177044, 108757728, 129569392, 145765566, 194354088, 218648349, 259138784, 291531132, 388708176, 437296698, 583062264, 655945047, 777416352, 874593396, 1166124528, 1311890094, 1749186792, 2332249056, 2623780188, 3498373584, 5247560376, 6996747168, 10495120752, 20990241504]

約数ペア:

[(1, 20990241504), (2, 10495120752), (3, 6996747168), (4, 5247560376), (6, 3498373584), (8, 2623780188), (9, 2332249056), (12, 1749186792), (16, 1311890094), (18, 1166124528), (24, 874593396), (27, 777416352), (32, 655945047), (36, 583062264), (48, 437296698), (54, 388708176), (72, 291531132), (81, 259138784), (96, 218648349), (108, 194354088), (144, 145765566), (162, 129569392), (193, 108757728), (216, 97177044), (288, 72882783), (324, 64784696), (386, 54378864), (432, 48588522), (579, 36252576), (648, 32392348), (772, 27189432), (864, 24294261), (1158, 18126288), (1296, 16196174), (1544, 13594716), (1737, 12084192), (2316, 9063144), (2592, 8098087), (3088, 6797358), (3474, 6042096), (4632, 4531572), (5211, 4028064), (6176, 3398679), (6948, 3021048), (9264, 2265786), (10422, 2014032), (13896, 1510524), (15633, 1342688), (18528, 1132893), (20844, 1007016), (27792, 755262), (31266, 671344), (41688, 503508), (41959, 500256), (55584, 377631), (62532, 335672), (83376, 251754), (83918, 250128), (125064, 167836), (125877, 166752)]