20403164019

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{28661}}^1$

素因数の和:29091

約数の個数: 32

約数和(自身を含む): 31477754880

約数和(自身を除く): 11074590861

約数列:

[1, 3, 7, 21, 109, 311, 327, 763, 933, 2177, 2289, 6531, 28661, 33899, 85983, 101697, 200627, 237293, 601881, 711879, 3124049, 8913571, 9372147, 21868343, 26740713, 62394997, 65605029, 187184991, 971579239, 2914737717, 6801054673, 20403164019]

約数ペア:

[(1, 20403164019), (3, 6801054673), (7, 2914737717), (21, 971579239), (109, 187184991), (311, 65605029), (327, 62394997), (763, 26740713), (933, 21868343), (2177, 9372147), (2289, 8913571), (6531, 3124049), (28661, 711879), (33899, 601881), (85983, 237293), (101697, 200627)]