20213633552

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{906929}}^1$

素因数の和:907143

約数の個数: 40

約数和(自身を含む): 44983728000

約数和(自身を除く): 24770094448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 22288, 906929, 1813858, 3627716, 6348503, 7255432, 12697006, 14510864, 25394012, 50788024, 101576048, 180478871, 360957742, 721915484, 1263352097, 1443830968, 2526704194, 2887661936, 5053408388, 10106816776, 20213633552]

約数ペア:

[(1, 20213633552), (2, 10106816776), (4, 5053408388), (7, 2887661936), (8, 2526704194), (14, 1443830968), (16, 1263352097), (28, 721915484), (56, 360957742), (112, 180478871), (199, 101576048), (398, 50788024), (796, 25394012), (1393, 14510864), (1592, 12697006), (2786, 7255432), (3184, 6348503), (5572, 3627716), (11144, 1813858), (22288, 906929)]