20455248

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2080

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 40255152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2039, 2508, 3344, 4078, 5016, 6117, 8156, 10032, 12234, 16312, 22429, 24468, 32624, 38741, 44858, 48936, 67287, 77482, 89716, 97872, 116223, 134574, 154964, 179432, 232446, 269148, 309928, 358864, 426151, 464892, 538296, 619856, 852302, 929784, 1076592, 1278453, 1704604, 1859568, 2556906, 3409208, 5113812, 6818416, 10227624, 20455248]

約数ペア:

[(1, 20455248), (2, 10227624), (3, 6818416), (4, 5113812), (6, 3409208), (8, 2556906), (11, 1859568), (12, 1704604), (16, 1278453), (19, 1076592), (22, 929784), (24, 852302), (33, 619856), (38, 538296), (44, 464892), (48, 426151), (57, 358864), (66, 309928), (76, 269148), (88, 232446), (114, 179432), (132, 154964), (152, 134574), (176, 116223), (209, 97872), (228, 89716), (264, 77482), (304, 67287), (418, 48936), (456, 44858), (528, 38741), (627, 32624), (836, 24468), (912, 22429), (1254, 16312), (1672, 12234), (2039, 10032), (2508, 8156), (3344, 6117), (4078, 5016)]