20565196884

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{50291}}^1$

素因数の和:50645

約数の個数: 72

約数和(自身を含む): 53564198688

約数和(自身を除く): 32999001804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 307, 333, 444, 614, 666, 921, 1228, 1332, 1842, 2763, 3684, 5526, 11052, 11359, 22718, 34077, 45436, 50291, 68154, 100582, 102231, 136308, 150873, 201164, 204462, 301746, 408924, 452619, 603492, 905238, 1810476, 1860767, 3721534, 5582301, 7443068, 11164602, 15439337, 16746903, 22329204, 30878674, 33493806, 46318011, 61757348, 66987612, 92636022, 138954033, 185272044, 277908066, 555816132, 571255469, 1142510938, 1713766407, 2285021876, 3427532814, 5141299221, 6855065628, 10282598442, 20565196884]

約数ペア:

[(1, 20565196884), (2, 10282598442), (3, 6855065628), (4, 5141299221), (6, 3427532814), (9, 2285021876), (12, 1713766407), (18, 1142510938), (36, 571255469), (37, 555816132), (74, 277908066), (111, 185272044), (148, 138954033), (222, 92636022), (307, 66987612), (333, 61757348), (444, 46318011), (614, 33493806), (666, 30878674), (921, 22329204), (1228, 16746903), (1332, 15439337), (1842, 11164602), (2763, 7443068), (3684, 5582301), (5526, 3721534), (11052, 1860767), (11359, 1810476), (22718, 905238), (34077, 603492), (45436, 452619), (50291, 408924), (68154, 301746), (100582, 204462), (102231, 201164), (136308, 150873)]