20515264

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 53254656

約数和(自身を除く): 32739392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 154, 161, 176, 181, 184, 224, 253, 308, 322, 352, 362, 368, 448, 506, 616, 644, 704, 724, 736, 1012, 1232, 1267, 1288, 1448, 1472, 1771, 1991, 2024, 2464, 2534, 2576, 2896, 3542, 3982, 4048, 4163, 4928, 5068, 5152, 5792, 7084, 7964, 8096, 8326, 10136, 10304, 11584, 13937, 14168, 15928, 16192, 16652, 20272, 27874, 28336, 29141, 31856, 33304, 40544, 45793, 55748, 56672, 58282, 63712, 66608, 81088, 91586, 111496, 113344, 116564, 127424, 133216, 183172, 222992, 233128, 266432, 320551, 366344, 445984, 466256, 641102, 732688, 891968, 932512, 1282204, 1465376, 1865024, 2564408, 2930752, 5128816, 10257632, 20515264]

約数ペア:

[(1, 20515264), (2, 10257632), (4, 5128816), (7, 2930752), (8, 2564408), (11, 1865024), (14, 1465376), (16, 1282204), (22, 932512), (23, 891968), (28, 732688), (32, 641102), (44, 466256), (46, 445984), (56, 366344), (64, 320551), (77, 266432), (88, 233128), (92, 222992), (112, 183172), (154, 133216), (161, 127424), (176, 116564), (181, 113344), (184, 111496), (224, 91586), (253, 81088), (308, 66608), (322, 63712), (352, 58282), (362, 56672), (368, 55748), (448, 45793), (506, 40544), (616, 33304), (644, 31856), (704, 29141), (724, 28336), (736, 27874), (1012, 20272), (1232, 16652), (1267, 16192), (1288, 15928), (1448, 14168), (1472, 13937), (1771, 11584), (1991, 10304), (2024, 10136), (2464, 8326), (2534, 8096), (2576, 7964), (2896, 7084), (3542, 5792), (3982, 5152), (4048, 5068), (4163, 4928)]