20515673901

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1\times {\mathrm{115013}}^1$

素因数の和:116660

約数の個数: 16

約数和(自身を含む): 28111261824

約数和(自身を除く): 7595587923

約数列:

[1, 3, 37, 111, 1607, 4821, 59459, 115013, 178377, 345039, 4255481, 12766443, 184825891, 554477673, 6838557967, 20515673901]

約数ペア:

[(1, 20515673901), (3, 6838557967), (37, 554477673), (111, 184825891), (1607, 12766443), (4821, 4255481), (59459, 345039), (115013, 178377)]