20403835221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88328291}}^1$

素因数の和:88328312

約数の個数: 16

約数和(自身を含む): 33918064128

約数和(自身を除く): 13514228907

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88328291, 264984873, 618298037, 971611201, 1854894111, 2914833603, 6801278407, 20403835221]

約数ペア:

[(1, 20403835221), (3, 6801278407), (7, 2914833603), (11, 1854894111), (21, 971611201), (33, 618298037), (77, 264984873), (231, 88328291)]