20179904568

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{75431}}^1$

素因数の和:75668

約数の個数: 64

約数和(自身を含む): 51486865920

約数和(自身を除く): 31306961352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 157, 213, 284, 314, 426, 471, 568, 628, 852, 942, 1256, 1704, 1884, 3768, 11147, 22294, 33441, 44588, 66882, 75431, 89176, 133764, 150862, 226293, 267528, 301724, 452586, 603448, 905172, 1810344, 5355601, 10711202, 11842667, 16066803, 21422404, 23685334, 32133606, 35528001, 42844808, 47370668, 64267212, 71056002, 94741336, 128534424, 142112004, 284224008, 840829357, 1681658714, 2522488071, 3363317428, 5044976142, 6726634856, 10089952284, 20179904568]

約数ペア:

[(1, 20179904568), (2, 10089952284), (3, 6726634856), (4, 5044976142), (6, 3363317428), (8, 2522488071), (12, 1681658714), (24, 840829357), (71, 284224008), (142, 142112004), (157, 128534424), (213, 94741336), (284, 71056002), (314, 64267212), (426, 47370668), (471, 42844808), (568, 35528001), (628, 32133606), (852, 23685334), (942, 21422404), (1256, 16066803), (1704, 11842667), (1884, 10711202), (3768, 5355601), (11147, 1810344), (22294, 905172), (33441, 603448), (44588, 452586), (66882, 301724), (75431, 267528), (89176, 226293), (133764, 150862)]