20567008

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 53561088

約数和(自身を除く): 32994080

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 272, 308, 352, 374, 476, 491, 544, 616, 748, 952, 982, 1232, 1309, 1496, 1904, 1964, 2464, 2618, 2992, 3437, 3808, 3928, 5236, 5401, 5984, 6874, 7856, 8347, 10472, 10802, 13748, 15712, 16694, 20944, 21604, 27496, 33388, 37807, 41888, 43208, 54992, 58429, 66776, 75614, 86416, 91817, 109984, 116858, 133552, 151228, 172832, 183634, 233716, 267104, 302456, 367268, 467432, 604912, 642719, 734536, 934864, 1209824, 1285438, 1469072, 1869728, 2570876, 2938144, 5141752, 10283504, 20567008]

約数ペア:

[(1, 20567008), (2, 10283504), (4, 5141752), (7, 2938144), (8, 2570876), (11, 1869728), (14, 1469072), (16, 1285438), (17, 1209824), (22, 934864), (28, 734536), (32, 642719), (34, 604912), (44, 467432), (56, 367268), (68, 302456), (77, 267104), (88, 233716), (112, 183634), (119, 172832), (136, 151228), (154, 133552), (176, 116858), (187, 109984), (224, 91817), (238, 86416), (272, 75614), (308, 66776), (352, 58429), (374, 54992), (476, 43208), (491, 41888), (544, 37807), (616, 33388), (748, 27496), (952, 21604), (982, 20944), (1232, 16694), (1309, 15712), (1496, 13748), (1904, 10802), (1964, 10472), (2464, 8347), (2618, 7856), (2992, 6874), (3437, 5984), (3808, 5401), (3928, 5236)]