20525824

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 46137168

約数和(自身を除く): 25611344

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 197, 256, 296, 352, 394, 407, 592, 704, 788, 814, 1184, 1408, 1576, 1628, 2167, 2368, 2816, 3152, 3256, 4334, 4736, 6304, 6512, 7289, 8668, 9472, 12608, 13024, 14578, 17336, 25216, 26048, 29156, 34672, 50432, 52096, 58312, 69344, 80179, 104192, 116624, 138688, 160358, 233248, 277376, 320716, 466496, 554752, 641432, 932992, 1282864, 1865984, 2565728, 5131456, 10262912, 20525824]

約数ペア:

[(1, 20525824), (2, 10262912), (4, 5131456), (8, 2565728), (11, 1865984), (16, 1282864), (22, 932992), (32, 641432), (37, 554752), (44, 466496), (64, 320716), (74, 277376), (88, 233248), (128, 160358), (148, 138688), (176, 116624), (197, 104192), (256, 80179), (296, 69344), (352, 58312), (394, 52096), (407, 50432), (592, 34672), (704, 29156), (788, 26048), (814, 25216), (1184, 17336), (1408, 14578), (1576, 13024), (1628, 12608), (2167, 9472), (2368, 8668), (2816, 7289), (3152, 6512), (3256, 6304), (4334, 4736)]