20443136

素因数分解:

$2^{12}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 104

約数和(自身を含む): 50325504

約数和(自身を除く): 29882368

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 217, 224, 248, 256, 322, 368, 434, 448, 496, 512, 644, 713, 736, 868, 896, 992, 1024, 1288, 1426, 1472, 1736, 1792, 1984, 2048, 2576, 2852, 2944, 3472, 3584, 3968, 4096, 4991, 5152, 5704, 5888, 6944, 7168, 7936, 9982, 10304, 11408, 11776, 13888, 14336, 15872, 19964, 20608, 22816, 23552, 27776, 28672, 31744, 39928, 41216, 45632, 47104, 55552, 63488, 79856, 82432, 91264, 94208, 111104, 126976, 159712, 164864, 182528, 222208, 319424, 329728, 365056, 444416, 638848, 659456, 730112, 888832, 1277696, 1460224, 2555392, 2920448, 5110784, 10221568, 20443136]

約数ペア:

[(1, 20443136), (2, 10221568), (4, 5110784), (7, 2920448), (8, 2555392), (14, 1460224), (16, 1277696), (23, 888832), (28, 730112), (31, 659456), (32, 638848), (46, 444416), (56, 365056), (62, 329728), (64, 319424), (92, 222208), (112, 182528), (124, 164864), (128, 159712), (161, 126976), (184, 111104), (217, 94208), (224, 91264), (248, 82432), (256, 79856), (322, 63488), (368, 55552), (434, 47104), (448, 45632), (496, 41216), (512, 39928), (644, 31744), (713, 28672), (736, 27776), (868, 23552), (896, 22816), (992, 20608), (1024, 19964), (1288, 15872), (1426, 14336), (1472, 13888), (1736, 11776), (1792, 11408), (1984, 10304), (2048, 9982), (2576, 7936), (2852, 7168), (2944, 6944), (3472, 5888), (3584, 5704), (3968, 5152), (4096, 4991)]