20657442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264839}}^1$

素因数の和:264857

約数の個数: 16

約数和(自身を含む): 44493120

約数和(自身を除く): 23835678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264839, 529678, 794517, 1589034, 3442907, 6885814, 10328721, 20657442]

約数ペア:

[(1, 20657442), (2, 10328721), (3, 6885814), (6, 3442907), (13, 1589034), (26, 794517), (39, 529678), (78, 264839)]