20990135881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 26004625920

約数和(自身を除く): 5014490039

約数列:

[1, 11, 13, 29, 103, 143, 157, 313, 319, 377, 1133, 1339, 1727, 2041, 2987, 3443, 4069, 4147, 4553, 9077, 14729, 16171, 22451, 32239, 32857, 38831, 44759, 49141, 50083, 59189, 99847, 118001, 177881, 210223, 354629, 419107, 427141, 468959, 540551, 638833, 651079, 934931, 1298011, 1425089, 2312453, 4610177, 5061523, 5158549, 6096467, 7027163, 10284241, 12154103, 15675979, 18526157, 55676753, 65799799, 67061137, 133695133, 146784167, 203787727, 723797789, 1614625837, 1908194171, 20990135881]

約数ペア:

[(1, 20990135881), (11, 1908194171), (13, 1614625837), (29, 723797789), (103, 203787727), (143, 146784167), (157, 133695133), (313, 67061137), (319, 65799799), (377, 55676753), (1133, 18526157), (1339, 15675979), (1727, 12154103), (2041, 10284241), (2987, 7027163), (3443, 6096467), (4069, 5158549), (4147, 5061523), (4553, 4610177), (9077, 2312453), (14729, 1425089), (16171, 1298011), (22451, 934931), (32239, 651079), (32857, 638833), (38831, 540551), (44759, 468959), (49141, 427141), (50083, 419107), (59189, 354629), (99847, 210223), (118001, 177881)]