20615677509

素因数分解:

$3^1\times 7^1\times {\mathrm{2579}}^1\times {\mathrm{380651}}^1$

素因数の和:383240

約数の個数: 16

約数和(自身を含む): 31426629120

約数和(自身を除く): 10810951611

約数列:

[1, 3, 7, 21, 2579, 7737, 18053, 54159, 380651, 1141953, 2664557, 7993671, 981698929, 2945096787, 6871892503, 20615677509]

約数ペア:

[(1, 20615677509), (3, 6871892503), (7, 2945096787), (21, 981698929), (2579, 7993671), (7737, 2664557), (18053, 1141953), (54159, 380651)]