20731692021

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{151153}}^1$

素因数の和:151636

約数の個数: 16

約数和(自身を含む): 27933259200

約数和(自身を除く): 7201567179

約数列:

[1, 3, 131, 349, 393, 1047, 45719, 137157, 151153, 453459, 19801043, 52752397, 59403129, 158257191, 6910564007, 20731692021]

約数ペア:

[(1, 20731692021), (3, 6910564007), (131, 158257191), (349, 59403129), (393, 52752397), (1047, 19801043), (45719, 453459), (137157, 151153)]