20511456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 41758752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 131, 168, 224, 233, 262, 336, 393, 466, 524, 672, 699, 786, 917, 932, 1048, 1398, 1572, 1631, 1834, 1864, 2096, 2751, 2796, 3144, 3262, 3668, 3728, 4192, 4893, 5502, 5592, 6288, 6524, 7336, 7456, 9786, 11004, 11184, 12576, 13048, 14672, 19572, 22008, 22368, 26096, 29344, 30523, 39144, 44016, 52192, 61046, 78288, 88032, 91569, 122092, 156576, 183138, 213661, 244184, 366276, 427322, 488368, 640983, 732552, 854644, 976736, 1281966, 1465104, 1709288, 2563932, 2930208, 3418576, 5127864, 6837152, 10255728, 20511456]

約数ペア:

[(1, 20511456), (2, 10255728), (3, 6837152), (4, 5127864), (6, 3418576), (7, 2930208), (8, 2563932), (12, 1709288), (14, 1465104), (16, 1281966), (21, 976736), (24, 854644), (28, 732552), (32, 640983), (42, 488368), (48, 427322), (56, 366276), (84, 244184), (96, 213661), (112, 183138), (131, 156576), (168, 122092), (224, 91569), (233, 88032), (262, 78288), (336, 61046), (393, 52192), (466, 44016), (524, 39144), (672, 30523), (699, 29344), (786, 26096), (917, 22368), (932, 22008), (1048, 19572), (1398, 14672), (1572, 13048), (1631, 12576), (1834, 11184), (1864, 11004), (2096, 9786), (2751, 7456), (2796, 7336), (3144, 6524), (3262, 6288), (3668, 5592), (3728, 5502), (4192, 4893)]