20569419

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 36

約数和(自身を含む): 33838896

約数和(自身を除く): 13269477

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 487, 741, 1083, 1461, 2223, 3249, 4383, 4693, 6331, 9253, 14079, 18993, 27759, 42237, 56979, 83277, 120289, 175807, 360867, 527421, 1082601, 1582263, 2285491, 6856473, 20569419]

約数ペア:

[(1, 20569419), (3, 6856473), (9, 2285491), (13, 1582263), (19, 1082601), (39, 527421), (57, 360867), (117, 175807), (171, 120289), (247, 83277), (361, 56979), (487, 42237), (741, 27759), (1083, 18993), (1461, 14079), (2223, 9253), (3249, 6331), (4383, 4693)]