20907744

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 64520064

約数和(自身を除く): 43612320

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 176, 208, 264, 286, 312, 352, 416, 429, 528, 572, 624, 858, 1056, 1144, 1248, 1523, 1716, 2288, 3046, 3432, 4569, 4576, 6092, 6864, 9138, 12184, 13728, 16753, 18276, 19799, 24368, 33506, 36552, 39598, 48736, 50259, 59397, 67012, 73104, 79196, 100518, 118794, 134024, 146208, 158392, 201036, 217789, 237588, 268048, 316784, 402072, 435578, 475176, 536096, 633568, 653367, 804144, 871156, 950352, 1306734, 1608288, 1742312, 1900704, 2613468, 3484624, 5226936, 6969248, 10453872, 20907744]

約数ペア:

[(1, 20907744), (2, 10453872), (3, 6969248), (4, 5226936), (6, 3484624), (8, 2613468), (11, 1900704), (12, 1742312), (13, 1608288), (16, 1306734), (22, 950352), (24, 871156), (26, 804144), (32, 653367), (33, 633568), (39, 536096), (44, 475176), (48, 435578), (52, 402072), (66, 316784), (78, 268048), (88, 237588), (96, 217789), (104, 201036), (132, 158392), (143, 146208), (156, 134024), (176, 118794), (208, 100518), (264, 79196), (286, 73104), (312, 67012), (352, 59397), (416, 50259), (429, 48736), (528, 39598), (572, 36552), (624, 33506), (858, 24368), (1056, 19799), (1144, 18276), (1248, 16753), (1523, 13728), (1716, 12184), (2288, 9138), (3046, 6864), (3432, 6092), (4569, 4576)]