20191103690

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3120727}}^1$

素因数の和:3121381

約数の個数: 16

約数和(自身を含む): 36400171392

約数和(自身を除く): 16209067702

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 6470, 3120727, 6241454, 15603635, 31207270, 2019110369, 4038220738, 10095551845, 20191103690]

約数ペア:

[(1, 20191103690), (2, 10095551845), (5, 4038220738), (10, 2019110369), (647, 31207270), (1294, 15603635), (3235, 6241454), (6470, 3120727)]