20564992

素因数分解:

$2^{10}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:197

約数の個数: 88

約数和(自身を含む): 49783040

約数和(自身を除く): 29218048

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 151, 152, 224, 256, 266, 302, 304, 448, 512, 532, 604, 608, 896, 1024, 1057, 1064, 1208, 1216, 1792, 2114, 2128, 2416, 2432, 2869, 3584, 4228, 4256, 4832, 4864, 5738, 7168, 8456, 8512, 9664, 9728, 11476, 16912, 17024, 19328, 19456, 20083, 22952, 33824, 34048, 38656, 40166, 45904, 67648, 68096, 77312, 80332, 91808, 135296, 136192, 154624, 160664, 183616, 270592, 321328, 367232, 541184, 642656, 734464, 1082368, 1285312, 1468928, 2570624, 2937856, 5141248, 10282496, 20564992]

約数ペア:

[(1, 20564992), (2, 10282496), (4, 5141248), (7, 2937856), (8, 2570624), (14, 1468928), (16, 1285312), (19, 1082368), (28, 734464), (32, 642656), (38, 541184), (56, 367232), (64, 321328), (76, 270592), (112, 183616), (128, 160664), (133, 154624), (151, 136192), (152, 135296), (224, 91808), (256, 80332), (266, 77312), (302, 68096), (304, 67648), (448, 45904), (512, 40166), (532, 38656), (604, 34048), (608, 33824), (896, 22952), (1024, 20083), (1057, 19456), (1064, 19328), (1208, 17024), (1216, 16912), (1792, 11476), (2114, 9728), (2128, 9664), (2416, 8512), (2432, 8456), (2869, 7168), (3584, 5738), (4228, 4864), (4256, 4832)]