20145490784

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1373}}^1$

素因数の和:1672

約数の個数: 96

約数和(自身を含む): 41736733920

約数和(自身を除く): 21591243136

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 97, 116, 163, 194, 232, 326, 388, 464, 652, 776, 928, 1304, 1373, 1552, 2608, 2746, 2813, 3104, 4727, 5216, 5492, 5626, 9454, 10984, 11252, 15811, 18908, 21968, 22504, 31622, 37816, 39817, 43936, 45008, 63244, 75632, 79634, 90016, 126488, 133181, 151264, 159268, 223799, 252976, 266362, 318536, 447598, 458519, 505952, 532724, 637072, 895196, 917038, 1065448, 1274144, 1790392, 1834076, 2130896, 3580784, 3668152, 3862249, 4261792, 6490171, 7161568, 7336304, 7724498, 12980342, 14672608, 15448996, 21708503, 25960684, 30897992, 43417006, 51921368, 61795984, 86834012, 103842736, 123591968, 173668024, 207685472, 347336048, 629546587, 694672096, 1259093174, 2518186348, 5036372696, 10072745392, 20145490784]

約数ペア:

[(1, 20145490784), (2, 10072745392), (4, 5036372696), (8, 2518186348), (16, 1259093174), (29, 694672096), (32, 629546587), (58, 347336048), (97, 207685472), (116, 173668024), (163, 123591968), (194, 103842736), (232, 86834012), (326, 61795984), (388, 51921368), (464, 43417006), (652, 30897992), (776, 25960684), (928, 21708503), (1304, 15448996), (1373, 14672608), (1552, 12980342), (2608, 7724498), (2746, 7336304), (2813, 7161568), (3104, 6490171), (4727, 4261792), (5216, 3862249), (5492, 3668152), (5626, 3580784), (9454, 2130896), (10984, 1834076), (11252, 1790392), (15811, 1274144), (18908, 1065448), (21968, 917038), (22504, 895196), (31622, 637072), (37816, 532724), (39817, 505952), (43936, 458519), (45008, 447598), (63244, 318536), (75632, 266362), (79634, 252976), (90016, 223799), (126488, 159268), (133181, 151264)]