20296672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 45987480

約数和(自身を除く): 25690808

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 109, 176, 184, 218, 253, 352, 368, 436, 506, 529, 736, 872, 1012, 1058, 1199, 1744, 2024, 2116, 2398, 2507, 3488, 4048, 4232, 4796, 5014, 5819, 8096, 8464, 9592, 10028, 11638, 16928, 19184, 20056, 23276, 27577, 38368, 40112, 46552, 55154, 57661, 80224, 93104, 110308, 115322, 186208, 220616, 230644, 441232, 461288, 634271, 882464, 922576, 1268542, 1845152, 2537084, 5074168, 10148336, 20296672]

約数ペア:

[(1, 20296672), (2, 10148336), (4, 5074168), (8, 2537084), (11, 1845152), (16, 1268542), (22, 922576), (23, 882464), (32, 634271), (44, 461288), (46, 441232), (88, 230644), (92, 220616), (109, 186208), (176, 115322), (184, 110308), (218, 93104), (253, 80224), (352, 57661), (368, 55154), (436, 46552), (506, 40112), (529, 38368), (736, 27577), (872, 23276), (1012, 20056), (1058, 19184), (1199, 16928), (1744, 11638), (2024, 10028), (2116, 9592), (2398, 8464), (2507, 8096), (3488, 5819), (4048, 5014), (4232, 4796)]