20657488

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3371}}^1$

素因数の和:3762

約数の個数: 20

約数和(自身を含む): 40140288

約数和(自身を除く): 19482800

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3371, 6128, 6742, 13484, 26968, 53936, 1291093, 2582186, 5164372, 10328744, 20657488]

約数ペア:

[(1, 20657488), (2, 10328744), (4, 5164372), (8, 2582186), (16, 1291093), (383, 53936), (766, 26968), (1532, 13484), (3064, 6742), (3371, 6128)]