20451327

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4150

約数の個数: 16

約数和(自身を含む): 29597568

約数和(自身を除く): 9146241

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4003, 5109, 12009, 52039, 156117, 524393, 1573179, 6817109, 20451327]

約数ペア:

[(1, 20451327), (3, 6817109), (13, 1573179), (39, 524393), (131, 156117), (393, 52039), (1703, 12009), (4003, 5109)]