20877656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137353}}^1$

素因数の和:137378

約数の個数: 16

約数和(自身を含む): 41206200

約数和(自身を除く): 20328544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137353, 274706, 549412, 1098824, 2609707, 5219414, 10438828, 20877656]

約数ペア:

[(1, 20877656), (2, 10438828), (4, 5219414), (8, 2609707), (19, 1098824), (38, 549412), (76, 274706), (152, 137353)]