20376832

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 47388096

約数和(自身を除く): 27011264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 137, 166, 224, 256, 274, 332, 448, 548, 581, 664, 896, 959, 1096, 1162, 1328, 1792, 1918, 2192, 2324, 2656, 3836, 4384, 4648, 5312, 7672, 8768, 9296, 10624, 11371, 15344, 17536, 18592, 21248, 22742, 30688, 35072, 37184, 45484, 61376, 74368, 79597, 90968, 122752, 148736, 159194, 181936, 245504, 318388, 363872, 636776, 727744, 1273552, 1455488, 2547104, 2910976, 5094208, 10188416, 20376832]

約数ペア:

[(1, 20376832), (2, 10188416), (4, 5094208), (7, 2910976), (8, 2547104), (14, 1455488), (16, 1273552), (28, 727744), (32, 636776), (56, 363872), (64, 318388), (83, 245504), (112, 181936), (128, 159194), (137, 148736), (166, 122752), (224, 90968), (256, 79597), (274, 74368), (332, 61376), (448, 45484), (548, 37184), (581, 35072), (664, 30688), (896, 22742), (959, 21248), (1096, 18592), (1162, 17536), (1328, 15344), (1792, 11371), (1918, 10624), (2192, 9296), (2324, 8768), (2656, 7672), (3836, 5312), (4384, 4648)]