20508710

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21143}}^1$

素因数の和:21247

約数の個数: 16

約数和(自身を含む): 37298016

約数和(自身を除く): 16789306

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 21143, 42286, 105715, 211430, 2050871, 4101742, 10254355, 20508710]

約数ペア:

[(1, 20508710), (2, 10254355), (5, 4101742), (10, 2050871), (97, 211430), (194, 105715), (485, 42286), (970, 21143)]