20979459648

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{28433}}^1$

素因数の和:28522

約数の個数: 224

約数和(自身を含む): 71644581120

約数和(自身を除く): 50665121472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 64, 72, 84, 96, 108, 112, 122, 126, 144, 168, 183, 189, 192, 216, 224, 244, 252, 288, 336, 366, 378, 427, 432, 448, 488, 504, 549, 576, 672, 732, 756, 854, 864, 976, 1008, 1098, 1281, 1344, 1464, 1512, 1647, 1708, 1728, 1952, 2016, 2196, 2562, 2928, 3024, 3294, 3416, 3843, 3904, 4032, 4392, 5124, 5856, 6048, 6588, 6832, 7686, 8784, 10248, 11529, 11712, 12096, 13176, 13664, 15372, 17568, 20496, 23058, 26352, 27328, 28433, 30744, 35136, 40992, 46116, 52704, 56866, 61488, 81984, 85299, 92232, 105408, 113732, 122976, 170598, 184464, 199031, 227464, 245952, 255897, 341196, 368928, 398062, 454928, 511794, 597093, 682392, 737856, 767691, 796124, 909856, 1023588, 1194186, 1364784, 1535382, 1592248, 1734413, 1791279, 1819712, 2047176, 2388372, 2729568, 3070764, 3184496, 3468826, 3582558, 4094352, 4776744, 5203239, 5373837, 5459136, 6141528, 6368992, 6937652, 7165116, 8188704, 9553488, 10406478, 10747674, 12140891, 12283056, 12737984, 13875304, 14330232, 15609717, 16377408, 19106976, 20812956, 21495348, 24281782, 24566112, 27750608, 28660464, 31219434, 36422673, 38213952, 41625912, 42990696, 46829151, 48563564, 49132224, 55501216, 57320928, 62438868, 72845346, 83251824, 85981392, 93658302, 97127128, 109268019, 111002432, 114641856, 124877736, 145690692, 166503648, 171962784, 187316604, 194254256, 218536038, 249755472, 291381384, 327804057, 333007296, 343925568, 374633208, 388508512, 437072076, 499510944, 582762768, 655608114, 749266416, 777017024, 874144152, 999021888, 1165525536, 1311216228, 1498532832, 1748288304, 2331051072, 2622432456, 2997065664, 3496576608, 5244864912, 6993153216, 10489729824, 20979459648]

約数ペア:

[(1, 20979459648), (2, 10489729824), (3, 6993153216), (4, 5244864912), (6, 3496576608), (7, 2997065664), (8, 2622432456), (9, 2331051072), (12, 1748288304), (14, 1498532832), (16, 1311216228), (18, 1165525536), (21, 999021888), (24, 874144152), (27, 777017024), (28, 749266416), (32, 655608114), (36, 582762768), (42, 499510944), (48, 437072076), (54, 388508512), (56, 374633208), (61, 343925568), (63, 333007296), (64, 327804057), (72, 291381384), (84, 249755472), (96, 218536038), (108, 194254256), (112, 187316604), (122, 171962784), (126, 166503648), (144, 145690692), (168, 124877736), (183, 114641856), (189, 111002432), (192, 109268019), (216, 97127128), (224, 93658302), (244, 85981392), (252, 83251824), (288, 72845346), (336, 62438868), (366, 57320928), (378, 55501216), (427, 49132224), (432, 48563564), (448, 46829151), (488, 42990696), (504, 41625912), (549, 38213952), (576, 36422673), (672, 31219434), (732, 28660464), (756, 27750608), (854, 24566112), (864, 24281782), (976, 21495348), (1008, 20812956), (1098, 19106976), (1281, 16377408), (1344, 15609717), (1464, 14330232), (1512, 13875304), (1647, 12737984), (1708, 12283056), (1728, 12140891), (1952, 10747674), (2016, 10406478), (2196, 9553488), (2562, 8188704), (2928, 7165116), (3024, 6937652), (3294, 6368992), (3416, 6141528), (3843, 5459136), (3904, 5373837), (4032, 5203239), (4392, 4776744), (5124, 4094352), (5856, 3582558), (6048, 3468826), (6588, 3184496), (6832, 3070764), (7686, 2729568), (8784, 2388372), (10248, 2047176), (11529, 1819712), (11712, 1791279), (12096, 1734413), (13176, 1592248), (13664, 1535382), (15372, 1364784), (17568, 1194186), (20496, 1023588), (23058, 909856), (26352, 796124), (27328, 767691), (28433, 737856), (30744, 682392), (35136, 597093), (40992, 511794), (46116, 454928), (52704, 398062), (56866, 368928), (61488, 341196), (81984, 255897), (85299, 245952), (92232, 227464), (105408, 199031), (113732, 184464), (122976, 170598)]