20161811496

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{3779}}^1$

素因数の和:3991

約数の個数: 128

約数和(自身を含む): 53299814400

約数和(自身を除く): 33138002904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 71, 93, 101, 124, 142, 186, 202, 213, 248, 284, 303, 372, 404, 426, 568, 606, 744, 808, 852, 1212, 1704, 2201, 2424, 3131, 3779, 4402, 6262, 6603, 7171, 7558, 8804, 9393, 11337, 12524, 13206, 14342, 15116, 17608, 18786, 21513, 22674, 25048, 26412, 28684, 30232, 37572, 43026, 45348, 52824, 57368, 75144, 86052, 90696, 117149, 172104, 222301, 234298, 268309, 351447, 381679, 444602, 468596, 536618, 666903, 702894, 763358, 804927, 889204, 937192, 1073236, 1145037, 1333806, 1405788, 1526716, 1609854, 1778408, 2146472, 2290074, 2667612, 2811576, 3053432, 3219708, 4580148, 5335224, 6439416, 8317579, 9160296, 11832049, 16635158, 23664098, 24952737, 27099209, 33270316, 35496147, 47328196, 49905474, 54198418, 66540632, 70992294, 81297627, 94656392, 99810948, 108396836, 141984588, 162595254, 199621896, 216793672, 283969176, 325190508, 650381016, 840075479, 1680150958, 2520226437, 3360301916, 5040452874, 6720603832, 10080905748, 20161811496]

約数ペア:

[(1, 20161811496), (2, 10080905748), (3, 6720603832), (4, 5040452874), (6, 3360301916), (8, 2520226437), (12, 1680150958), (24, 840075479), (31, 650381016), (62, 325190508), (71, 283969176), (93, 216793672), (101, 199621896), (124, 162595254), (142, 141984588), (186, 108396836), (202, 99810948), (213, 94656392), (248, 81297627), (284, 70992294), (303, 66540632), (372, 54198418), (404, 49905474), (426, 47328196), (568, 35496147), (606, 33270316), (744, 27099209), (808, 24952737), (852, 23664098), (1212, 16635158), (1704, 11832049), (2201, 9160296), (2424, 8317579), (3131, 6439416), (3779, 5335224), (4402, 4580148), (6262, 3219708), (6603, 3053432), (7171, 2811576), (7558, 2667612), (8804, 2290074), (9393, 2146472), (11337, 1778408), (12524, 1609854), (13206, 1526716), (14342, 1405788), (15116, 1333806), (17608, 1145037), (18786, 1073236), (21513, 937192), (22674, 889204), (25048, 804927), (26412, 763358), (28684, 702894), (30232, 666903), (37572, 536618), (43026, 468596), (45348, 444602), (52824, 381679), (57368, 351447), (75144, 268309), (86052, 234298), (90696, 222301), (117149, 172104)]