20879726

素因数分解:

$2^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1321}}^1$

素因数の和:2459

約数の個数: 16

約数和(自身を含む): 35852640

約数和(自身を除く): 14972914

約数列:

[1, 2, 7, 14, 1129, 1321, 2258, 2642, 7903, 9247, 15806, 18494, 1491409, 2982818, 10439863, 20879726]

約数ペア:

[(1, 20879726), (2, 10439863), (7, 2982818), (14, 1491409), (1129, 18494), (1321, 15806), (2258, 9247), (2642, 7903)]