20297472

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 61810560

約数和(自身を除く): 41513088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 107, 114, 128, 152, 156, 192, 208, 214, 228, 247, 256, 304, 312, 321, 384, 416, 428, 456, 494, 608, 624, 642, 741, 768, 832, 856, 912, 988, 1216, 1248, 1284, 1391, 1482, 1664, 1712, 1824, 1976, 2033, 2432, 2496, 2568, 2782, 2964, 3328, 3424, 3648, 3952, 4066, 4173, 4864, 4992, 5136, 5564, 5928, 6099, 6848, 7296, 7904, 8132, 8346, 9984, 10272, 11128, 11856, 12198, 13696, 14592, 15808, 16264, 16692, 20544, 22256, 23712, 24396, 26429, 27392, 31616, 32528, 33384, 41088, 44512, 47424, 48792, 52858, 63232, 65056, 66768, 79287, 82176, 89024, 94848, 97584, 105716, 130112, 133536, 158574, 178048, 189696, 195168, 211432, 260224, 267072, 317148, 356096, 390336, 422864, 520448, 534144, 634296, 780672, 845728, 1068288, 1268592, 1561344, 1691456, 2537184, 3382912, 5074368, 6765824, 10148736, 20297472]

約数ペア:

[(1, 20297472), (2, 10148736), (3, 6765824), (4, 5074368), (6, 3382912), (8, 2537184), (12, 1691456), (13, 1561344), (16, 1268592), (19, 1068288), (24, 845728), (26, 780672), (32, 634296), (38, 534144), (39, 520448), (48, 422864), (52, 390336), (57, 356096), (64, 317148), (76, 267072), (78, 260224), (96, 211432), (104, 195168), (107, 189696), (114, 178048), (128, 158574), (152, 133536), (156, 130112), (192, 105716), (208, 97584), (214, 94848), (228, 89024), (247, 82176), (256, 79287), (304, 66768), (312, 65056), (321, 63232), (384, 52858), (416, 48792), (428, 47424), (456, 44512), (494, 41088), (608, 33384), (624, 32528), (642, 31616), (741, 27392), (768, 26429), (832, 24396), (856, 23712), (912, 22256), (988, 20544), (1216, 16692), (1248, 16264), (1284, 15808), (1391, 14592), (1482, 13696), (1664, 12198), (1712, 11856), (1824, 11128), (1976, 10272), (2033, 9984), (2432, 8346), (2496, 8132), (2568, 7904), (2782, 7296), (2964, 6848), (3328, 6099), (3424, 5928), (3648, 5564), (3952, 5136), (4066, 4992), (4173, 4864)]