20681024

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 112

約数和(自身を含む): 52230528

約数和(自身を除く): 31549504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 64, 67, 91, 104, 106, 112, 134, 182, 208, 212, 224, 268, 364, 371, 416, 424, 448, 469, 536, 689, 728, 742, 832, 848, 871, 938, 1072, 1378, 1456, 1484, 1696, 1742, 1876, 2144, 2756, 2912, 2968, 3392, 3484, 3551, 3752, 4288, 4823, 5512, 5824, 5936, 6097, 6968, 7102, 7504, 9646, 11024, 11872, 12194, 13936, 14204, 15008, 19292, 22048, 23744, 24388, 24857, 27872, 28408, 30016, 38584, 44096, 46163, 48776, 49714, 55744, 56816, 77168, 92326, 97552, 99428, 113632, 154336, 184652, 195104, 198856, 227264, 308672, 323141, 369304, 390208, 397712, 646282, 738608, 795424, 1292564, 1477216, 1590848, 2585128, 2954432, 5170256, 10340512, 20681024]

約数ペア:

[(1, 20681024), (2, 10340512), (4, 5170256), (7, 2954432), (8, 2585128), (13, 1590848), (14, 1477216), (16, 1292564), (26, 795424), (28, 738608), (32, 646282), (52, 397712), (53, 390208), (56, 369304), (64, 323141), (67, 308672), (91, 227264), (104, 198856), (106, 195104), (112, 184652), (134, 154336), (182, 113632), (208, 99428), (212, 97552), (224, 92326), (268, 77168), (364, 56816), (371, 55744), (416, 49714), (424, 48776), (448, 46163), (469, 44096), (536, 38584), (689, 30016), (728, 28408), (742, 27872), (832, 24857), (848, 24388), (871, 23744), (938, 22048), (1072, 19292), (1378, 15008), (1456, 14204), (1484, 13936), (1696, 12194), (1742, 11872), (1876, 11024), (2144, 9646), (2756, 7504), (2912, 7102), (2968, 6968), (3392, 6097), (3484, 5936), (3551, 5824), (3752, 5512), (4288, 4823)]