20112955712

素因数分解:

$2^6\times {\mathrm{811}}^1\times {\mathrm{387503}}^1$

素因数の和:388326

約数の個数: 28

約数和(自身を含む): 39960962496

約数和(自身を除く): 19848006784

約数列:

[1, 2, 4, 8, 16, 32, 64, 811, 1622, 3244, 6488, 12976, 25952, 51904, 387503, 775006, 1550012, 3100024, 6200048, 12400096, 24800192, 314264933, 628529866, 1257059732, 2514119464, 5028238928, 10056477856, 20112955712]

約数ペア:

[(1, 20112955712), (2, 10056477856), (4, 5028238928), (8, 2514119464), (16, 1257059732), (32, 628529866), (64, 314264933), (811, 24800192), (1622, 12400096), (3244, 6200048), (6488, 3100024), (12976, 1550012), (25952, 775006), (51904, 387503)]