20742770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48239}}^1$

素因数の和:48289

約数の個数: 16

約数和(自身を含む): 38206080

約数和(自身を除く): 17463310

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48239, 96478, 241195, 482390, 2074277, 4148554, 10371385, 20742770]

約数ペア:

[(1, 20742770), (2, 10371385), (5, 4148554), (10, 2074277), (43, 482390), (86, 241195), (215, 96478), (430, 48239)]