20601561

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 28108800

約数和(自身を除く): 7507239

約数列:

[1, 3, 59, 177, 239, 487, 717, 1461, 14101, 28733, 42303, 86199, 116393, 349179, 6867187, 20601561]

約数ペア:

[(1, 20601561), (3, 6867187), (59, 349179), (177, 116393), (239, 86199), (487, 42303), (717, 28733), (1461, 14101)]