20175702992

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6400921}}^1$

素因数の和:6401126

約数の個数: 20

約数和(自身を含む): 39288859236

約数和(自身を除く): 19113156244

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6400921, 12801842, 25603684, 51207368, 102414736, 1260981437, 2521962874, 5043925748, 10087851496, 20175702992]

約数ペア:

[(1, 20175702992), (2, 10087851496), (4, 5043925748), (8, 2521962874), (16, 1260981437), (197, 102414736), (394, 51207368), (788, 25603684), (1576, 12801842), (3152, 6400921)]