20530916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15601}}^1$

素因数の和:15659

約数の個数: 24

約数和(自身を含む): 41938176

約数和(自身を除く): 21407260

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15601, 31202, 62404, 109207, 218414, 436828, 733247, 1466494, 2932988, 5132729, 10265458, 20530916]

約数ペア:

[(1, 20530916), (2, 10265458), (4, 5132729), (7, 2932988), (14, 1466494), (28, 733247), (47, 436828), (94, 218414), (188, 109207), (329, 62404), (658, 31202), (1316, 15601)]