20972806400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36011}}^1$

素因数の和:36057

約数の個数: 216

約数和(自身を含む): 63892202304

約数和(自身を除く): 42919395904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 182, 200, 208, 224, 256, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 640, 650, 700, 728, 800, 832, 896, 910, 1040, 1120, 1280, 1300, 1400, 1456, 1600, 1664, 1792, 1820, 2080, 2240, 2275, 2600, 2800, 2912, 3200, 3328, 3640, 4160, 4480, 4550, 5200, 5600, 5824, 6400, 7280, 8320, 8960, 9100, 10400, 11200, 11648, 14560, 16640, 18200, 20800, 22400, 23296, 29120, 36011, 36400, 41600, 44800, 58240, 72022, 72800, 83200, 116480, 144044, 145600, 180055, 252077, 288088, 291200, 360110, 468143, 504154, 576176, 582400, 720220, 900275, 936286, 1008308, 1152352, 1260385, 1440440, 1800550, 1872572, 2016616, 2304704, 2340715, 2520770, 2880880, 3277001, 3601100, 3745144, 4033232, 4609408, 4681430, 5041540, 5761760, 6301925, 6554002, 7202200, 7490288, 8066464, 9218816, 9362860, 10083080, 11523520, 11703575, 12603850, 13108004, 14404400, 14980576, 16132928, 16385005, 18725720, 20166160, 23047040, 23407150, 25207700, 26216008, 28808800, 29961152, 32265856, 32770010, 37451440, 40332320, 46094080, 46814300, 50415400, 52432016, 57617600, 59922304, 64531712, 65540020, 74902880, 80664640, 81925025, 93628600, 100830800, 104864032, 115235200, 119844608, 131080040, 149805760, 161329280, 163850050, 187257200, 201661600, 209728064, 230470400, 262160080, 299611520, 322658560, 327700100, 374514400, 403323200, 419456128, 524320160, 599223040, 655400200, 749028800, 806646400, 838912256, 1048640320, 1310800400, 1498057600, 1613292800, 2097280640, 2621600800, 2996115200, 4194561280, 5243201600, 10486403200, 20972806400]

約数ペア:

[(1, 20972806400), (2, 10486403200), (4, 5243201600), (5, 4194561280), (7, 2996115200), (8, 2621600800), (10, 2097280640), (13, 1613292800), (14, 1498057600), (16, 1310800400), (20, 1048640320), (25, 838912256), (26, 806646400), (28, 749028800), (32, 655400200), (35, 599223040), (40, 524320160), (50, 419456128), (52, 403323200), (56, 374514400), (64, 327700100), (65, 322658560), (70, 299611520), (80, 262160080), (91, 230470400), (100, 209728064), (104, 201661600), (112, 187257200), (128, 163850050), (130, 161329280), (140, 149805760), (160, 131080040), (175, 119844608), (182, 115235200), (200, 104864032), (208, 100830800), (224, 93628600), (256, 81925025), (260, 80664640), (280, 74902880), (320, 65540020), (325, 64531712), (350, 59922304), (364, 57617600), (400, 52432016), (416, 50415400), (448, 46814300), (455, 46094080), (520, 40332320), (560, 37451440), (640, 32770010), (650, 32265856), (700, 29961152), (728, 28808800), (800, 26216008), (832, 25207700), (896, 23407150), (910, 23047040), (1040, 20166160), (1120, 18725720), (1280, 16385005), (1300, 16132928), (1400, 14980576), (1456, 14404400), (1600, 13108004), (1664, 12603850), (1792, 11703575), (1820, 11523520), (2080, 10083080), (2240, 9362860), (2275, 9218816), (2600, 8066464), (2800, 7490288), (2912, 7202200), (3200, 6554002), (3328, 6301925), (3640, 5761760), (4160, 5041540), (4480, 4681430), (4550, 4609408), (5200, 4033232), (5600, 3745144), (5824, 3601100), (6400, 3277001), (7280, 2880880), (8320, 2520770), (8960, 2340715), (9100, 2304704), (10400, 2016616), (11200, 1872572), (11648, 1800550), (14560, 1440440), (16640, 1260385), (18200, 1152352), (20800, 1008308), (22400, 936286), (23296, 900275), (29120, 720220), (36011, 582400), (36400, 576176), (41600, 504154), (44800, 468143), (58240, 360110), (72022, 291200), (72800, 288088), (83200, 252077), (116480, 180055), (144044, 145600)]