20790087987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1741651}}^1$

素因数の和:1741850

約数の個数: 16

約数和(自身を含む): 29092555008

約数和(自身を除く): 8302467021

約数列:

[1, 3, 23, 69, 173, 519, 3979, 11937, 1741651, 5224953, 40057973, 120173919, 301305623, 903916869, 6930029329, 20790087987]

約数ペア:

[(1, 20790087987), (3, 6930029329), (23, 903916869), (69, 301305623), (173, 120173919), (519, 40057973), (3979, 5224953), (11937, 1741651)]