20149867585

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1244203}}^1$

素因数の和:1244328

約数の個数: 16

約数和(自身を含む): 25083152640

約数和(自身を除く): 4933285055

約数列:

[1, 5, 41, 79, 205, 395, 3239, 16195, 1244203, 6221015, 51012323, 98292037, 255061615, 491460185, 4029973517, 20149867585]

約数ペア:

[(1, 20149867585), (5, 4029973517), (41, 491460185), (79, 255061615), (205, 98292037), (395, 51012323), (3239, 6221015), (16195, 1244203)]