20996863407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 34214788608

約数和(自身を除く): 13217925201

約数列:

[1, 3, 9, 13, 39, 43, 67, 117, 129, 167, 201, 373, 387, 501, 559, 603, 871, 1119, 1503, 1677, 2171, 2613, 2881, 3357, 4849, 5031, 6513, 7181, 7839, 8643, 11189, 14547, 16039, 19539, 21543, 24991, 25929, 33567, 37453, 43641, 48117, 62291, 64629, 74973, 93353, 100701, 112359, 144351, 145457, 186873, 208507, 224919, 280059, 324883, 337077, 436371, 481127, 560619, 625521, 809783, 840177, 974649, 1074613, 1309113, 1443381, 1876563, 2429349, 2678513, 2923947, 3223839, 4173497, 4330143, 6254651, 7288047, 8035539, 9671517, 12520491, 13969969, 18763953, 24106617, 34820669, 37561473, 41909907, 54255461, 56291859, 104462007, 125729721, 162766383, 179460371, 313386021, 488299149, 538381113, 1615143339, 2332984823, 6998954469, 20996863407]

約数ペア:

[(1, 20996863407), (3, 6998954469), (9, 2332984823), (13, 1615143339), (39, 538381113), (43, 488299149), (67, 313386021), (117, 179460371), (129, 162766383), (167, 125729721), (201, 104462007), (373, 56291859), (387, 54255461), (501, 41909907), (559, 37561473), (603, 34820669), (871, 24106617), (1119, 18763953), (1503, 13969969), (1677, 12520491), (2171, 9671517), (2613, 8035539), (2881, 7288047), (3357, 6254651), (4849, 4330143), (5031, 4173497), (6513, 3223839), (7181, 2923947), (7839, 2678513), (8643, 2429349), (11189, 1876563), (14547, 1443381), (16039, 1309113), (19539, 1074613), (21543, 974649), (24991, 840177), (25929, 809783), (33567, 625521), (37453, 560619), (43641, 481127), (48117, 436371), (62291, 337077), (64629, 324883), (74973, 280059), (93353, 224919), (100701, 208507), (112359, 186873), (144351, 145457)]