20159391049

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{498859}}^1$

素因数の和:499140

約数の個数: 16

約数和(自身を含む): 24136842240

約数和(自身を除く): 3977451191

約数列:

[1, 7, 23, 161, 251, 1757, 5773, 40411, 498859, 3492013, 11473757, 80316299, 125213609, 876495263, 2879913007, 20159391049]

約数ペア:

[(1, 20159391049), (7, 2879913007), (23, 876495263), (161, 125213609), (251, 80316299), (1757, 11473757), (5773, 3492013), (40411, 498859)]