20520014

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:695

約数の個数: 16

約数和(自身を含む): 31234560

約数和(自身を除く): 10714546

約数列:

[1, 2, 139, 223, 278, 331, 446, 662, 30997, 46009, 61994, 73813, 92018, 147626, 10260007, 20520014]

約数ペア:

[(1, 20520014), (2, 10260007), (139, 147626), (223, 92018), (278, 73813), (331, 61994), (446, 46009), (662, 30997)]