17739820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126713}}^1$

素因数の和:126729

約数の個数: 24

約数和(自身を含む): 42575904

約数和(自身を除く): 24836084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126713, 253426, 506852, 633565, 886991, 1267130, 1773982, 2534260, 3547964, 4434955, 8869910, 17739820]

約数ペア:

[(1, 17739820), (2, 8869910), (4, 4434955), (5, 3547964), (7, 2534260), (10, 1773982), (14, 1267130), (20, 886991), (28, 633565), (35, 506852), (70, 253426), (140, 126713)]