20407049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 23151744

約数和(自身を除く): 2744695

約数列:

[1, 13, 23, 131, 299, 521, 1703, 3013, 6773, 11983, 39169, 68251, 155779, 887263, 1569773, 20407049]

約数ペア:

[(1, 20407049), (13, 1569773), (23, 887263), (131, 155779), (299, 68251), (521, 39169), (1703, 11983), (3013, 6773)]