20546828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5101}}^1$

素因数の和:5177

約数の個数: 24

約数和(自身を含む): 38571120

約数和(自身を除く): 18024292

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5101, 10202, 20404, 96919, 193838, 270353, 387676, 540706, 1081412, 5136707, 10273414, 20546828]

約数ペア:

[(1, 20546828), (2, 10273414), (4, 5136707), (19, 1081412), (38, 540706), (53, 387676), (76, 270353), (106, 193838), (212, 96919), (1007, 20404), (2014, 10202), (4028, 5101)]