20177573376

素因数分解:

$2^9\times 3^1\times {\mathrm{41}}^1\times {\mathrm{320401}}^1$

素因数の和:320463

約数の個数: 80

約数和(自身を含む): 55065569328

約数和(自身を除く): 34887995952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 512, 656, 768, 984, 1312, 1536, 1968, 2624, 3936, 5248, 7872, 10496, 15744, 20992, 31488, 62976, 320401, 640802, 961203, 1281604, 1922406, 2563208, 3844812, 5126416, 7689624, 10252832, 13136441, 15379248, 20505664, 26272882, 30758496, 39409323, 41011328, 52545764, 61516992, 78818646, 82022656, 105091528, 123033984, 157637292, 164045312, 210183056, 246067968, 315274584, 420366112, 492135936, 630549168, 840732224, 1261098336, 1681464448, 2522196672, 3362928896, 5044393344, 6725857792, 10088786688, 20177573376]

約数ペア:

[(1, 20177573376), (2, 10088786688), (3, 6725857792), (4, 5044393344), (6, 3362928896), (8, 2522196672), (12, 1681464448), (16, 1261098336), (24, 840732224), (32, 630549168), (41, 492135936), (48, 420366112), (64, 315274584), (82, 246067968), (96, 210183056), (123, 164045312), (128, 157637292), (164, 123033984), (192, 105091528), (246, 82022656), (256, 78818646), (328, 61516992), (384, 52545764), (492, 41011328), (512, 39409323), (656, 30758496), (768, 26272882), (984, 20505664), (1312, 15379248), (1536, 13136441), (1968, 10252832), (2624, 7689624), (3936, 5126416), (5248, 3844812), (7872, 2563208), (10496, 1922406), (15744, 1281604), (20992, 961203), (31488, 640802), (62976, 320401)]