20386816

素因数分解:

$2^{10}\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 44

約数和(自身を含む): 41791552

約数和(自身を除く): 21404736

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 463, 512, 688, 926, 1024, 1376, 1852, 2752, 3704, 5504, 7408, 11008, 14816, 19909, 22016, 29632, 39818, 44032, 59264, 79636, 118528, 159272, 237056, 318544, 474112, 637088, 1274176, 2548352, 5096704, 10193408, 20386816]

約数ペア:

[(1, 20386816), (2, 10193408), (4, 5096704), (8, 2548352), (16, 1274176), (32, 637088), (43, 474112), (64, 318544), (86, 237056), (128, 159272), (172, 118528), (256, 79636), (344, 59264), (463, 44032), (512, 39818), (688, 29632), (926, 22016), (1024, 19909), (1376, 14816), (1852, 11008), (2752, 7408), (3704, 5504)]