20815834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1249}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 33705000

約数和(自身を除く): 12889166

約数列:

[1, 2, 13, 26, 641, 1249, 1282, 2498, 8333, 16237, 16666, 32474, 800609, 1601218, 10407917, 20815834]

約数ペア:

[(1, 20815834), (2, 10407917), (13, 1601218), (26, 800609), (641, 32474), (1249, 16666), (1282, 16237), (2498, 8333)]