20802945136

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{683}}^1\times {\mathrm{17791}}^1$

素因数の和:18589

約数の個数: 40

約数和(自身を含む): 40744249344

約数和(自身を除く): 19941304208

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 683, 856, 1366, 1712, 2732, 5464, 10928, 17791, 35582, 71164, 73081, 142328, 146162, 284656, 292324, 584648, 1169296, 1903637, 3807274, 7614548, 12151253, 15229096, 24302506, 30458192, 48605012, 97210024, 194420048, 1300184071, 2600368142, 5200736284, 10401472568, 20802945136]

約数ペア:

[(1, 20802945136), (2, 10401472568), (4, 5200736284), (8, 2600368142), (16, 1300184071), (107, 194420048), (214, 97210024), (428, 48605012), (683, 30458192), (856, 24302506), (1366, 15229096), (1712, 12151253), (2732, 7614548), (5464, 3807274), (10928, 1903637), (17791, 1169296), (35582, 584648), (71164, 292324), (73081, 284656), (142328, 146162)]