20954752

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 52500420

約数和(自身を除く): 31545668

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 257, 364, 392, 416, 448, 514, 637, 728, 784, 832, 896, 1028, 1274, 1456, 1568, 1664, 1799, 2056, 2548, 2912, 3136, 3341, 3598, 4112, 5096, 5824, 6272, 6682, 7196, 8224, 10192, 11648, 12593, 13364, 14392, 16448, 20384, 23387, 25186, 26728, 28784, 32896, 40768, 46774, 50372, 53456, 57568, 81536, 93548, 100744, 106912, 115136, 163709, 187096, 201488, 213824, 230272, 327418, 374192, 402976, 427648, 654836, 748384, 805952, 1309672, 1496768, 1611904, 2619344, 2993536, 5238688, 10477376, 20954752]

約数ペア:

[(1, 20954752), (2, 10477376), (4, 5238688), (7, 2993536), (8, 2619344), (13, 1611904), (14, 1496768), (16, 1309672), (26, 805952), (28, 748384), (32, 654836), (49, 427648), (52, 402976), (56, 374192), (64, 327418), (91, 230272), (98, 213824), (104, 201488), (112, 187096), (128, 163709), (182, 115136), (196, 106912), (208, 100744), (224, 93548), (257, 81536), (364, 57568), (392, 53456), (416, 50372), (448, 46774), (514, 40768), (637, 32896), (728, 28784), (784, 26728), (832, 25186), (896, 23387), (1028, 20384), (1274, 16448), (1456, 14392), (1568, 13364), (1664, 12593), (1799, 11648), (2056, 10192), (2548, 8224), (2912, 7196), (3136, 6682), (3341, 6272), (3598, 5824), (4112, 5096)]