20515982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5231}}^1$

素因数の和:5323

約数の個数: 16

約数和(自身を含む): 32208192

約数和(自身を除く): 11692210

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5231, 10462, 193547, 277243, 387094, 554486, 10257991, 20515982]

約数ペア:

[(1, 20515982), (2, 10257991), (37, 554486), (53, 387094), (74, 277243), (106, 193547), (1961, 10462), (3922, 5231)]