20503381584

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{404119}}^1$

素因数の和:404288

約数の個数: 80

約数和(自身を含む): 60934830080

約数和(自身を除く): 40431448496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 151, 168, 302, 336, 453, 604, 906, 1057, 1208, 1812, 2114, 2416, 3171, 3624, 4228, 6342, 7248, 8456, 12684, 16912, 25368, 50736, 404119, 808238, 1212357, 1616476, 2424714, 2828833, 3232952, 4849428, 5657666, 6465904, 8486499, 9698856, 11315332, 16972998, 19397712, 22630664, 33945996, 45261328, 61021969, 67891992, 122043938, 135783984, 183065907, 244087876, 366131814, 427153783, 488175752, 732263628, 854307566, 976351504, 1281461349, 1464527256, 1708615132, 2562922698, 2929054512, 3417230264, 5125845396, 6834460528, 10251690792, 20503381584]

約数ペア:

[(1, 20503381584), (2, 10251690792), (3, 6834460528), (4, 5125845396), (6, 3417230264), (7, 2929054512), (8, 2562922698), (12, 1708615132), (14, 1464527256), (16, 1281461349), (21, 976351504), (24, 854307566), (28, 732263628), (42, 488175752), (48, 427153783), (56, 366131814), (84, 244087876), (112, 183065907), (151, 135783984), (168, 122043938), (302, 67891992), (336, 61021969), (453, 45261328), (604, 33945996), (906, 22630664), (1057, 19397712), (1208, 16972998), (1812, 11315332), (2114, 9698856), (2416, 8486499), (3171, 6465904), (3624, 5657666), (4228, 4849428), (6342, 3232952), (7248, 2828833), (8456, 2424714), (12684, 1616476), (16912, 1212357), (25368, 808238), (50736, 404119)]