20907242

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:661

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 10887958

約数列:

[1, 2, 191, 229, 239, 382, 458, 478, 43739, 45649, 54731, 87478, 91298, 109462, 10453621, 20907242]

約数ペア:

[(1, 20907242), (2, 10453621), (191, 109462), (229, 91298), (239, 87478), (382, 54731), (458, 45649), (478, 43739)]