20453021776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{220513}}^1$

素因数の和:220580

約数の個数: 80

約数和(自身を含む): 47249975808

約数和(自身を除く): 26796954032

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 248, 272, 341, 374, 496, 527, 682, 748, 1054, 1364, 1496, 2108, 2728, 2992, 4216, 5456, 5797, 8432, 11594, 23188, 46376, 92752, 220513, 441026, 882052, 1764104, 2425643, 3528208, 3748721, 4851286, 6835903, 7497442, 9702572, 13671806, 14994884, 19405144, 27343612, 29989768, 38810288, 41235931, 54687224, 59979536, 75194933, 82471862, 109374448, 116210351, 150389866, 164943724, 232420702, 300779732, 329887448, 464841404, 601559464, 659774896, 929682808, 1203118928, 1278313861, 1859365616, 2556627722, 5113255444, 10226510888, 20453021776]

約数ペア:

[(1, 20453021776), (2, 10226510888), (4, 5113255444), (8, 2556627722), (11, 1859365616), (16, 1278313861), (17, 1203118928), (22, 929682808), (31, 659774896), (34, 601559464), (44, 464841404), (62, 329887448), (68, 300779732), (88, 232420702), (124, 164943724), (136, 150389866), (176, 116210351), (187, 109374448), (248, 82471862), (272, 75194933), (341, 59979536), (374, 54687224), (496, 41235931), (527, 38810288), (682, 29989768), (748, 27343612), (1054, 19405144), (1364, 14994884), (1496, 13671806), (2108, 9702572), (2728, 7497442), (2992, 6835903), (4216, 4851286), (5456, 3748721), (5797, 3528208), (8432, 2425643), (11594, 1764104), (23188, 882052), (46376, 441026), (92752, 220513)]