20393426880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{228421}}^1$

素因数の和:228475

約数の個数: 168

約数和(自身を含む): 72407946624

約数和(自身を除く): 52014519744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 228421, 456842, 685263, 913684, 1142105, 1370526, 1827368, 2055789, 2284210, 2741052, 3426315, 3654736, 4111578, 4568420, 5482104, 6852630, 7081051, 7309472, 8223156, 9136840, 10278945, 10964208, 13705260, 14162102, 14618944, 16446312, 18273680, 20557890, 21243153, 21928416, 27410520, 28324204, 32892624, 35405255, 36547360, 41115780, 42486306, 43856832, 54821040, 56648408, 63729459, 65785248, 70810510, 73094720, 82231560, 84972612, 106215765, 109642080, 113296816, 127458918, 131570496, 141621020, 164463120, 169945224, 212431530, 219284160, 226593632, 254917836, 283242040, 318647295, 328926240, 339890448, 424863060, 453187264, 509835672, 566484080, 637294590, 657852480, 679780896, 849726120, 1019671344, 1132968160, 1274589180, 1359561792, 1699452240, 2039342688, 2265936320, 2549178360, 3398904480, 4078685376, 5098356720, 6797808960, 10196713440, 20393426880]

約数ペア:

[(1, 20393426880), (2, 10196713440), (3, 6797808960), (4, 5098356720), (5, 4078685376), (6, 3398904480), (8, 2549178360), (9, 2265936320), (10, 2039342688), (12, 1699452240), (15, 1359561792), (16, 1274589180), (18, 1132968160), (20, 1019671344), (24, 849726120), (30, 679780896), (31, 657852480), (32, 637294590), (36, 566484080), (40, 509835672), (45, 453187264), (48, 424863060), (60, 339890448), (62, 328926240), (64, 318647295), (72, 283242040), (80, 254917836), (90, 226593632), (93, 219284160), (96, 212431530), (120, 169945224), (124, 164463120), (144, 141621020), (155, 131570496), (160, 127458918), (180, 113296816), (186, 109642080), (192, 106215765), (240, 84972612), (248, 82231560), (279, 73094720), (288, 70810510), (310, 65785248), (320, 63729459), (360, 56648408), (372, 54821040), (465, 43856832), (480, 42486306), (496, 41115780), (558, 36547360), (576, 35405255), (620, 32892624), (720, 28324204), (744, 27410520), (930, 21928416), (960, 21243153), (992, 20557890), (1116, 18273680), (1240, 16446312), (1395, 14618944), (1440, 14162102), (1488, 13705260), (1860, 10964208), (1984, 10278945), (2232, 9136840), (2480, 8223156), (2790, 7309472), (2880, 7081051), (2976, 6852630), (3720, 5482104), (4464, 4568420), (4960, 4111578), (5580, 3654736), (5952, 3426315), (7440, 2741052), (8928, 2284210), (9920, 2055789), (11160, 1827368), (14880, 1370526), (17856, 1142105), (22320, 913684), (29760, 685263), (44640, 456842), (89280, 228421)]