20565587504

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1867}}^1\times {\mathrm{8941}}^1$

素因数の和:10834

約数の個数: 80

約数和(自身を含む): 49710080256

約数和(自身を除く): 29144492752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 1867, 3734, 7468, 8941, 13069, 14936, 17882, 20537, 26138, 29872, 35764, 41074, 52276, 62587, 71528, 82148, 98351, 104552, 125174, 143056, 143759, 164296, 196702, 209104, 250348, 287518, 328592, 393404, 500696, 575036, 688457, 786808, 1001392, 1150072, 1376914, 1573616, 2300144, 2753828, 5507656, 11015312, 16692847, 33385694, 66771388, 116849929, 133542776, 183621317, 233699858, 267085552, 367242634, 467399716, 734485268, 934799432, 1285349219, 1468970536, 1869598864, 2570698438, 2937941072, 5141396876, 10282793752, 20565587504]

約数ペア:

[(1, 20565587504), (2, 10282793752), (4, 5141396876), (7, 2937941072), (8, 2570698438), (11, 1869598864), (14, 1468970536), (16, 1285349219), (22, 934799432), (28, 734485268), (44, 467399716), (56, 367242634), (77, 267085552), (88, 233699858), (112, 183621317), (154, 133542776), (176, 116849929), (308, 66771388), (616, 33385694), (1232, 16692847), (1867, 11015312), (3734, 5507656), (7468, 2753828), (8941, 2300144), (13069, 1573616), (14936, 1376914), (17882, 1150072), (20537, 1001392), (26138, 786808), (29872, 688457), (35764, 575036), (41074, 500696), (52276, 393404), (62587, 328592), (71528, 287518), (82148, 250348), (98351, 209104), (104552, 196702), (125174, 164296), (143056, 143759)]