20136425872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{8719}}^1$

素因数の和:8924

約数の個数: 80

約数和(自身を含む): 42040166400

約数和(自身を除く): 21903740528

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 107, 142, 152, 214, 284, 304, 428, 568, 856, 1136, 1349, 1712, 2033, 2698, 4066, 5396, 7597, 8132, 8719, 10792, 15194, 16264, 17438, 21584, 30388, 32528, 34876, 60776, 69752, 121552, 139504, 144343, 165661, 288686, 331322, 577372, 619049, 662644, 932933, 1154744, 1238098, 1325288, 1865866, 2309488, 2476196, 2650576, 3731732, 4952392, 7463464, 9904784, 11761931, 14926928, 17725727, 23523862, 35451454, 47047724, 66238243, 70902908, 94095448, 132476486, 141805816, 188190896, 264952972, 283611632, 529905944, 1059811888, 1258526617, 2517053234, 5034106468, 10068212936, 20136425872]

約数ペア:

[(1, 20136425872), (2, 10068212936), (4, 5034106468), (8, 2517053234), (16, 1258526617), (19, 1059811888), (38, 529905944), (71, 283611632), (76, 264952972), (107, 188190896), (142, 141805816), (152, 132476486), (214, 94095448), (284, 70902908), (304, 66238243), (428, 47047724), (568, 35451454), (856, 23523862), (1136, 17725727), (1349, 14926928), (1712, 11761931), (2033, 9904784), (2698, 7463464), (4066, 4952392), (5396, 3731732), (7597, 2650576), (8132, 2476196), (8719, 2309488), (10792, 1865866), (15194, 1325288), (16264, 1238098), (17438, 1154744), (21584, 932933), (30388, 662644), (32528, 619049), (34876, 577372), (60776, 331322), (69752, 288686), (121552, 165661), (139504, 144343)]