20176657241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 24354969408

約数和(自身を除く): 4178312167

約数列:

[1, 13, 23, 31, 43, 71, 299, 403, 529, 559, 713, 923, 961, 989, 1333, 1633, 2201, 3053, 6877, 9269, 12493, 12857, 16399, 17329, 21229, 22103, 22747, 28613, 30659, 37559, 39689, 41323, 50623, 68231, 70219, 94643, 213187, 287339, 295711, 398567, 488267, 508369, 537199, 658099, 705157, 887003, 912847, 950429, 1164329, 1230359, 1569313, 1615037, 2176789, 2933933, 6608797, 9167041, 12355577, 15136277, 20401069, 20995481, 21859867, 28298257, 36094199, 38141129, 50066147, 67480459, 284178271, 469224587, 650859911, 877245967, 1552050557, 20176657241]

約数ペア:

[(1, 20176657241), (13, 1552050557), (23, 877245967), (31, 650859911), (43, 469224587), (71, 284178271), (299, 67480459), (403, 50066147), (529, 38141129), (559, 36094199), (713, 28298257), (923, 21859867), (961, 20995481), (989, 20401069), (1333, 15136277), (1633, 12355577), (2201, 9167041), (3053, 6608797), (6877, 2933933), (9269, 2176789), (12493, 1615037), (12857, 1569313), (16399, 1230359), (17329, 1164329), (21229, 950429), (22103, 912847), (22747, 887003), (28613, 705157), (30659, 658099), (37559, 537199), (39689, 508369), (41323, 488267), (50623, 398567), (68231, 295711), (70219, 287339), (94643, 213187)]