20175728

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9929}}^1$

素因数の和:10064

約数の個数: 20

約数和(自身を含む): 39402240

約数和(自身を除く): 19226512

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9929, 19858, 39716, 79432, 158864, 1260983, 2521966, 5043932, 10087864, 20175728]

約数ペア:

[(1, 20175728), (2, 10087864), (4, 5043932), (8, 2521966), (16, 1260983), (127, 158864), (254, 79432), (508, 39716), (1016, 19858), (2032, 9929)]