20337152

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 46550592

約数和(自身を除く): 26213440

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 157, 176, 184, 253, 256, 314, 352, 368, 506, 512, 628, 704, 736, 1012, 1256, 1408, 1472, 1727, 2024, 2512, 2816, 2944, 3454, 3611, 4048, 5024, 5632, 5888, 6908, 7222, 8096, 10048, 11776, 13816, 14444, 16192, 20096, 27632, 28888, 32384, 39721, 40192, 55264, 57776, 64768, 79442, 80384, 110528, 115552, 129536, 158884, 221056, 231104, 317768, 442112, 462208, 635536, 884224, 924416, 1271072, 1848832, 2542144, 5084288, 10168576, 20337152]

約数ペア:

[(1, 20337152), (2, 10168576), (4, 5084288), (8, 2542144), (11, 1848832), (16, 1271072), (22, 924416), (23, 884224), (32, 635536), (44, 462208), (46, 442112), (64, 317768), (88, 231104), (92, 221056), (128, 158884), (157, 129536), (176, 115552), (184, 110528), (253, 80384), (256, 79442), (314, 64768), (352, 57776), (368, 55264), (506, 40192), (512, 39721), (628, 32384), (704, 28888), (736, 27632), (1012, 20096), (1256, 16192), (1408, 14444), (1472, 13816), (1727, 11776), (2024, 10048), (2512, 8096), (2816, 7222), (2944, 6908), (3454, 5888), (3611, 5632), (4048, 5024)]