20187978668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1129}}^1$

素因数の和:1927

約数の個数: 96

約数和(自身を含む): 42566684160

約数和(自身を除く): 22378705492

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 727, 946, 1118, 1129, 1454, 1892, 2236, 2258, 2908, 4516, 6149, 7997, 9451, 12298, 12419, 14677, 15994, 18902, 24596, 24838, 29354, 31261, 31988, 37804, 48547, 49676, 58708, 62522, 97094, 103961, 125044, 161447, 194188, 207922, 322894, 343871, 406393, 415844, 534017, 631111, 645788, 687742, 812786, 820783, 1068034, 1262222, 1375484, 1625572, 1641566, 2136068, 2524444, 3283132, 4470323, 6942221, 8940646, 9028613, 10670179, 13884442, 17881292, 18057226, 21340358, 27768884, 35293669, 36114452, 42680716, 70587338, 117371969, 141174676, 234743938, 388230359, 458817697, 469487876, 776460718, 917635394, 1552921436, 1835270788, 5046994667, 10093989334, 20187978668]

約数ペア:

[(1, 20187978668), (2, 10093989334), (4, 5046994667), (11, 1835270788), (13, 1552921436), (22, 917635394), (26, 776460718), (43, 469487876), (44, 458817697), (52, 388230359), (86, 234743938), (143, 141174676), (172, 117371969), (286, 70587338), (473, 42680716), (559, 36114452), (572, 35293669), (727, 27768884), (946, 21340358), (1118, 18057226), (1129, 17881292), (1454, 13884442), (1892, 10670179), (2236, 9028613), (2258, 8940646), (2908, 6942221), (4516, 4470323), (6149, 3283132), (7997, 2524444), (9451, 2136068), (12298, 1641566), (12419, 1625572), (14677, 1375484), (15994, 1262222), (18902, 1068034), (24596, 820783), (24838, 812786), (29354, 687742), (31261, 645788), (31988, 631111), (37804, 534017), (48547, 415844), (49676, 406393), (58708, 343871), (62522, 322894), (97094, 207922), (103961, 194188), (125044, 161447)]