20913956

素因数分解:

$2^2\times 7^1\times {\mathrm{733}}^1\times {\mathrm{1019}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 41926080

約数和(自身を除く): 21012124

約数列:

[1, 2, 4, 7, 14, 28, 733, 1019, 1466, 2038, 2932, 4076, 5131, 7133, 10262, 14266, 20524, 28532, 746927, 1493854, 2987708, 5228489, 10456978, 20913956]

約数ペア:

[(1, 20913956), (2, 10456978), (4, 5228489), (7, 2987708), (14, 1493854), (28, 746927), (733, 28532), (1019, 20524), (1466, 14266), (2038, 10262), (2932, 7133), (4076, 5131)]