20905672

素因数分解:

$2^3\times {\mathrm{383}}^1\times {\mathrm{6823}}^1$

素因数の和:7212

約数の個数: 16

約数和(自身を含む): 39306240

約数和(自身を除く): 18400568

約数列:

[1, 2, 4, 8, 383, 766, 1532, 3064, 6823, 13646, 27292, 54584, 2613209, 5226418, 10452836, 20905672]

約数ペア:

[(1, 20905672), (2, 10452836), (4, 5226418), (8, 2613209), (383, 54584), (766, 27292), (1532, 13646), (3064, 6823)]