20257286

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2244

約数の個数: 24

約数和(自身を含む): 35728056

約数和(自身を除く): 15470770

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2131, 4262, 4753, 9506, 14917, 29834, 104419, 206707, 208838, 413414, 1446949, 2893898, 10128643, 20257286]

約数ペア:

[(1, 20257286), (2, 10128643), (7, 2893898), (14, 1446949), (49, 413414), (97, 208838), (98, 206707), (194, 104419), (679, 29834), (1358, 14917), (2131, 9506), (4262, 4753)]