20507314891

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{177091}}^1$

素因数の和:177402

約数の個数: 16

約数和(自身を含む): 23869168128

約数和(自身を除く): 3361853237

約数列:

[1, 7, 71, 233, 497, 1631, 16543, 115801, 177091, 1239637, 12573461, 41262203, 88014227, 288835421, 2929616413, 20507314891]

約数ペア:

[(1, 20507314891), (7, 2929616413), (71, 288835421), (233, 88014227), (497, 41262203), (1631, 12573461), (16543, 1239637), (115801, 177091)]