20976268944

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2085

約数の個数: 120

約数和(自身を含む): 55945085952

約数和(自身を除く): 34968817008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 127, 129, 172, 254, 258, 344, 381, 508, 516, 688, 762, 1016, 1032, 1524, 1849, 1861, 2032, 2064, 3048, 3698, 3722, 5461, 5547, 5583, 6096, 7396, 7444, 10922, 11094, 11166, 14792, 14888, 16383, 21844, 22188, 22332, 29584, 29776, 32766, 43688, 44376, 44664, 65532, 80023, 87376, 88752, 89328, 131064, 160046, 234823, 236347, 240069, 262128, 320092, 469646, 472694, 480138, 640184, 704469, 709041, 939292, 945388, 960276, 1280368, 1408938, 1418082, 1878584, 1890776, 1920552, 2817876, 2836164, 3440989, 3757168, 3781552, 3841104, 5635752, 5672328, 6881978, 10162921, 10322967, 11271504, 11344656, 13763956, 20325842, 20645934, 27527912, 30488763, 40651684, 41291868, 55055824, 60977526, 81303368, 82583736, 121955052, 162606736, 165167472, 243910104, 437005603, 487820208, 874011206, 1311016809, 1748022412, 2622033618, 3496044824, 5244067236, 6992089648, 10488134472, 20976268944]

約数ペア:

[(1, 20976268944), (2, 10488134472), (3, 6992089648), (4, 5244067236), (6, 3496044824), (8, 2622033618), (12, 1748022412), (16, 1311016809), (24, 874011206), (43, 487820208), (48, 437005603), (86, 243910104), (127, 165167472), (129, 162606736), (172, 121955052), (254, 82583736), (258, 81303368), (344, 60977526), (381, 55055824), (508, 41291868), (516, 40651684), (688, 30488763), (762, 27527912), (1016, 20645934), (1032, 20325842), (1524, 13763956), (1849, 11344656), (1861, 11271504), (2032, 10322967), (2064, 10162921), (3048, 6881978), (3698, 5672328), (3722, 5635752), (5461, 3841104), (5547, 3781552), (5583, 3757168), (6096, 3440989), (7396, 2836164), (7444, 2817876), (10922, 1920552), (11094, 1890776), (11166, 1878584), (14792, 1418082), (14888, 1408938), (16383, 1280368), (21844, 960276), (22188, 945388), (22332, 939292), (29584, 709041), (29776, 704469), (32766, 640184), (43688, 480138), (44376, 472694), (44664, 469646), (65532, 320092), (80023, 262128), (87376, 240069), (88752, 236347), (89328, 234823), (131064, 160046)]