20193313280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1126859}}^1$

素因数の和:1126889

約数の個数: 80

約数和(自身を含む): 55333333440

約数和(自身を除く): 35140020160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 1126859, 2253718, 4507436, 5634295, 7888013, 9014872, 11268590, 15776026, 18029744, 22537180, 31552052, 36059488, 39440065, 45074360, 63104104, 72118976, 78880130, 90148720, 126208208, 144237952, 157760260, 180297440, 252416416, 288475904, 315520520, 360594880, 504832832, 576951808, 631041040, 721189760, 1009665664, 1262082080, 1442379520, 2019331328, 2524164160, 2884759040, 4038662656, 5048328320, 10096656640, 20193313280]

約数ペア:

[(1, 20193313280), (2, 10096656640), (4, 5048328320), (5, 4038662656), (7, 2884759040), (8, 2524164160), (10, 2019331328), (14, 1442379520), (16, 1262082080), (20, 1009665664), (28, 721189760), (32, 631041040), (35, 576951808), (40, 504832832), (56, 360594880), (64, 315520520), (70, 288475904), (80, 252416416), (112, 180297440), (128, 157760260), (140, 144237952), (160, 126208208), (224, 90148720), (256, 78880130), (280, 72118976), (320, 63104104), (448, 45074360), (512, 39440065), (560, 36059488), (640, 31552052), (896, 22537180), (1120, 18029744), (1280, 15776026), (1792, 11268590), (2240, 9014872), (2560, 7888013), (3584, 5634295), (4480, 4507436), (8960, 2253718), (17920, 1126859)]