20335680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 168

約数和(自身を含む): 73225152

約数和(自身を除く): 52889472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 307, 320, 345, 360, 368, 414, 460, 480, 552, 576, 614, 690, 720, 736, 828, 920, 921, 960, 1035, 1104, 1228, 1380, 1440, 1472, 1535, 1656, 1840, 1842, 2070, 2208, 2456, 2760, 2763, 2880, 3070, 3312, 3680, 3684, 4140, 4416, 4605, 4912, 5520, 5526, 6140, 6624, 7061, 7360, 7368, 8280, 9210, 9824, 11040, 11052, 12280, 13248, 13815, 14122, 14736, 16560, 18420, 19648, 21183, 22080, 22104, 24560, 27630, 28244, 29472, 33120, 35305, 36840, 42366, 44208, 49120, 55260, 56488, 58944, 63549, 66240, 70610, 73680, 84732, 88416, 98240, 105915, 110520, 112976, 127098, 141220, 147360, 169464, 176832, 211830, 221040, 225952, 254196, 282440, 294720, 317745, 338928, 423660, 442080, 451904, 508392, 564880, 635490, 677856, 847320, 884160, 1016784, 1129760, 1270980, 1355712, 1694640, 2033568, 2259520, 2541960, 3389280, 4067136, 5083920, 6778560, 10167840, 20335680]

約数ペア:

[(1, 20335680), (2, 10167840), (3, 6778560), (4, 5083920), (5, 4067136), (6, 3389280), (8, 2541960), (9, 2259520), (10, 2033568), (12, 1694640), (15, 1355712), (16, 1270980), (18, 1129760), (20, 1016784), (23, 884160), (24, 847320), (30, 677856), (32, 635490), (36, 564880), (40, 508392), (45, 451904), (46, 442080), (48, 423660), (60, 338928), (64, 317745), (69, 294720), (72, 282440), (80, 254196), (90, 225952), (92, 221040), (96, 211830), (115, 176832), (120, 169464), (138, 147360), (144, 141220), (160, 127098), (180, 112976), (184, 110520), (192, 105915), (207, 98240), (230, 88416), (240, 84732), (276, 73680), (288, 70610), (307, 66240), (320, 63549), (345, 58944), (360, 56488), (368, 55260), (414, 49120), (460, 44208), (480, 42366), (552, 36840), (576, 35305), (614, 33120), (690, 29472), (720, 28244), (736, 27630), (828, 24560), (920, 22104), (921, 22080), (960, 21183), (1035, 19648), (1104, 18420), (1228, 16560), (1380, 14736), (1440, 14122), (1472, 13815), (1535, 13248), (1656, 12280), (1840, 11052), (1842, 11040), (2070, 9824), (2208, 9210), (2456, 8280), (2760, 7368), (2763, 7360), (2880, 7061), (3070, 6624), (3312, 6140), (3680, 5526), (3684, 5520), (4140, 4912), (4416, 4605)]